robertogreco + statistics 378
Now I Understand Why Bill Gates Didn’t Want The Value-Added Data Made Public « GFBrandenburg's Blog
12 weeks ago by robertogreco
"In any introductory statistics course, you learn that a graph like the one below is a textbook case of “no correlation”. I had Excel draw a line of best fit anyway, and calculate an r-squared correlation coefficient. Its value? 0.057 — once again, just about as close to zero correlation as you are ever going to find in the real world.
In plain English, what that means is that there is essentially no such thing as a teacher who is consistently wonderful (or awful) on this extremely complicated measurement scheme. How teacher X does one year in “value-added” in no way allows anybody to predict how teacher X will do the next year. They could do much worse, they could do much better, they could do about the same.
Even I find this to be an amazing revelation. What about you?
And to think that I’m not making any of this up. (unlike Michelle Rhee, who loves to invent statistics and “facts”.)"
publicschools
education
politics
lies
policy
correlation
statistics
learning
teaching
michellerhee
valueadded
schools
nyc
2012
via:tom.hoffman
billgates
from delicious
In plain English, what that means is that there is essentially no such thing as a teacher who is consistently wonderful (or awful) on this extremely complicated measurement scheme. How teacher X does one year in “value-added” in no way allows anybody to predict how teacher X will do the next year. They could do much worse, they could do much better, they could do about the same.
Even I find this to be an amazing revelation. What about you?
And to think that I’m not making any of this up. (unlike Michelle Rhee, who loves to invent statistics and “facts”.)"
12 weeks ago by robertogreco
Squishy Not Slick - this has something to do with teaching (pt. 10)
february 2012 by robertogreco
“What it means to be human is to bring up your children in safety, educate them, keep them healthy, teach them how to care for themselves and others, allow them to develop in their own way among adults who are sane and responsible, who know the value of the world and not its economic potential. It means art, it means time, it means all the invisibles never counted by the GDP and the census figures. It means knowing that life has an inside as well as an outside.” ― Jeanette Winterson, The Stone Gods
[Also here with Louis CK photo: http://lukescommonplacebook.tumblr.com/post/17291552677/slaughterhouse90210-what-it-means-to-be-human ]
values
purpose
humanism
human
learning
children
cv
living
slow
time
measurement
statistics
leisure
leisurearts
art
thestonegods
deschooling
unschooling
education
parenting
parents
jeanettewinterson
immeasurables
economics
gdp
well-being
life
from delicious
[Also here with Louis CK photo: http://lukescommonplacebook.tumblr.com/post/17291552677/slaughterhouse90210-what-it-means-to-be-human ]
february 2012 by robertogreco
simple tumblr stats
january 2012 by robertogreco
"This tool tells you about your tumblr style using charts and graphs."
[See also: http://www.studiomoh.com/fun/tumblrbestof/ ]
statistics
analytics
tumblr
from delicious
[See also: http://www.studiomoh.com/fun/tumblrbestof/ ]
january 2012 by robertogreco
BBC Dimensions: How Many Really?
september 2011 by robertogreco
"How Many Really? compares the number of people involved in key historical events or situations to the people you know through Facebook or Twitter. You can also add your own numbers — for example, the amount of students in your class.<br />
<br />
Choose a story to get started."
berg
berglondon
bbc
comparison
history
visualization
data
statistics
numbers
scale
howmanyreally?
has:for
from delicious
<br />
Choose a story to get started."
september 2011 by robertogreco
How to Fix Our Math Education - NYTimes.com
august 2011 by robertogreco
"Imagine replacing the sequence of algebra, geometry and calculus with a sequence of finance, data and basic engineering. In the finance course, students would learn the exponential function, use formulas in spreadsheets and study the budgets of people, companies and governments. In the data course, students would gather their own data sets and learn how, in fields as diverse as sports and medicine, larger samples give better estimates of averages. In the basic engineering course, students would learn the workings of engines, sound waves, TV signals and computers. Science and math were originally discovered together, and they are best learned together now."
education
math
mathematics
curriculum
solgarfunkel
davidmumford
2011
learning
problemsolving
realworldproblems
statistics
finance
science
engineering
from delicious
august 2011 by robertogreco
The History of Homeschooling | Online College Tips - Online Colleges
august 2011 by robertogreco
[Direct link to image: https://s3.amazonaws.com/infographics/Homeschooling_page.png ]
homeschool
law
us
legal
timeline
infographics
statistics
maps
mapping
2011
education
learning
schooling
unschooling
history
from delicious
august 2011 by robertogreco
State Of The Internet 2011
july 2011 by robertogreco
"The Internet is a strange, huge beast. It is getting bigger, faster and more mobile each day. Ferocious social networks fight each other to be on top and gain more of our attention and personal information. An entire economy is generated from our browsing habits.This is the face of the Internet now."
internet
visualization
statistics
socialmedia
interactive
online
web
dashboard
2011
from delicious
july 2011 by robertogreco
The Dangers of Bread
july 2011 by robertogreco
"Well, I've done a little research, and what I've discovered should make anyone think twice....<br />
<br />
1. More than 98 percent of convicted felons are bread eaters.<br />
2. Fully HALF of all children who grow up in bread-consuming households score below average on standardized tests.<br />
3. In the 18th century, when virtually all bread was baked in the home, the average life expectancy was less than 50 years; infant mortality rates were unacceptably high; many women died in childbirth; and diseases such as typhoid, yellow fever and influenza ravaged whole nations.<br />
4. More than 90 percent of violent crimes are committed within 24 hours of eating bread.<br />
5. Bread is made from a substance called "dough." It has been proven that as little as one pound of dough can be used to suffocate a mouse. The average American eats more bread than that in one month!<br />
6. Primitive tribal societies that have no bread exhibit a low occurrence of cancer, Alzheimer's, Parkinson's disease and osteoporosis…"
humor
food
politics
science
research
bread
bias
classideas
via:lukeneff
statistics
context
fear
from delicious
<br />
1. More than 98 percent of convicted felons are bread eaters.<br />
2. Fully HALF of all children who grow up in bread-consuming households score below average on standardized tests.<br />
3. In the 18th century, when virtually all bread was baked in the home, the average life expectancy was less than 50 years; infant mortality rates were unacceptably high; many women died in childbirth; and diseases such as typhoid, yellow fever and influenza ravaged whole nations.<br />
4. More than 90 percent of violent crimes are committed within 24 hours of eating bread.<br />
5. Bread is made from a substance called "dough." It has been proven that as little as one pound of dough can be used to suffocate a mouse. The average American eats more bread than that in one month!<br />
6. Primitive tribal societies that have no bread exhibit a low occurrence of cancer, Alzheimer's, Parkinson's disease and osteoporosis…"
july 2011 by robertogreco
Controversy over the Christakis-Fowler findings on the contagion of obesity — The Monkey Cage
july 2011 by robertogreco
"To return to Christakis and Fowler: I’d be interested to see their reply to the criticisms of Lyons and others. Perhaps they’ll simply step back a few paces and say that the Framingham data are sparse, that they’ve found some interesting patterns that they hope will inspire further study in other contexts.<br />
<br />
After all, even if the Framingham results were unambiguously statistically significant, robust to reasonable models of measurement error, and had a clean identification strategy—even then, it’s just one group of people. In that sense, the debate about Christakis and Fowler’s particular claims, interesting and (methodologically) important as it is, is only part of a larger story of personal networks, health, and behavior. I hope that Lyons’s article and any responses by Christakis, Fowler, and others will be helpful in designing and analyzing future studies and in piecing together the big picture."
2011
nicholaschristakis
jamesfowler
statistics
socialscience
research
data
controversy
obesity
math
from delicious
<br />
After all, even if the Framingham results were unambiguously statistically significant, robust to reasonable models of measurement error, and had a clean identification strategy—even then, it’s just one group of people. In that sense, the debate about Christakis and Fowler’s particular claims, interesting and (methodologically) important as it is, is only part of a larger story of personal networks, health, and behavior. I hope that Lyons’s article and any responses by Christakis, Fowler, and others will be helpful in designing and analyzing future studies and in piecing together the big picture."
july 2011 by robertogreco
Social contagions debunked: Reports of infectious obesity and divorce were grossly overstated. - By Dave Johns - Slate Magazine [Previously: http://www.slate.com/id/2250102/pagenum/all/ ]
july 2011 by robertogreco
"But just because contagion is important in one context doesn't mean something like obesity spreads like a virus—much less one that can infect someone as remote from you as your son's best friend's mother. (For the record, I & my best friend's mother will eat our hats if it turns out to be true, as Christakis & Fowler claim, that loneliness is infectious, too.) Yes, we influence each other all the time, in how we talk & how we dress & what kinds of screwball videos we watch on the Internet. But careful studies of our social networks reveal what may be a more powerful & pervasive effect: We tend to form ties w/ the people who are most like us to begin with. The mother who blames her son's boozebag friends for his wild behavior must face up to the fact that he prefers the fast crowd in the first place. We are all connected, yes, but the way those links get made could be the most important part of the story." [via: http://mindhacks.com/2011/07/05/doubts-about-social-contagion/ ]
contagion
socialcontagion
jamesfowler
nicholaschristakis
rosemcdermott
statistics
mathematics
research
publishing
socialscience
socialnetworking
socialnetworks
evidence
sciencejournalism
journalism
politics
policy
science
peerreview
media
2011
obesity
behavior
divorce
davejohns
from delicious
july 2011 by robertogreco
You Can’t Read Everything - The Rumpus.net
july 2011 by robertogreco
“I had gone through and thought about the number of books you could conceivably read in a year, for example. And then if you extrapolate it out over your lifetime, how many can you reasonably read? And it got me thinking about how vast the world of books is, and how small what you will ever take in actually is. And it becomes a sort of overwhelming thought when you realize that no matter how hard you try, no matter how smart you are, no matter how much you love to read – as I put it in the piece, statistically speaking, you’re going to die having missed almost everything.”<br />
<br />
[via: http://jslr.tumblr.com/post/7205844487/i-had-gone-through-and-thought-about-the-number ]
reading
limits
human
scale
books
insignificance
antilibraries
life
wisdomofcrowds
statistics
lindaholmes
slow
patience
knowledge
from delicious
<br />
[via: http://jslr.tumblr.com/post/7205844487/i-had-gone-through-and-thought-about-the-number ]
july 2011 by robertogreco
The National Atlas of the United States of America- Perry-Castañeda Map Collection - UT Library Online
july 2011 by robertogreco
"The National Atlas of the United States of America (1970)" [Always love a jaunt through the UT map library]
via:joguldi
maps
mapping
1970
us
demographics
data
statistics
history
government
from delicious
july 2011 by robertogreco
Real-World Math - storify.com
july 2011 by robertogreco
"Hey, kids! Ever wonder how math is done in the real world? This is the way math is done in the real world."<br />
<br />
Storify that I put together to document a conversation on Twitter about a specific math problems that Diana Kimball asked for help with.
math
mathematics
realworld
cv
storytelling
storify
collaboration
twitter
2011
timcarmody
robinsloan
dianakimball
games
boardgames
problemsolving
statistics
probability
conversation
from delicious
<br />
Storify that I put together to document a conversation on Twitter about a specific math problems that Diana Kimball asked for help with.
july 2011 by robertogreco
Borderland › Hearts and Minds
june 2011 by robertogreco
"I am done caring about reformist nonsense. At staff meeting…discussing AimsWeb Data…how many students in each grade are below proficient, at risk, proficient based on how well they handled oral 1-minute timed reading…disgusting display of a brain-dead method…We were asked to say what we planned to do…When it was my turn, I said I’d be going with the happiness plan. What’s that? It’s getting the kids to enjoy reading so that they do it on their own. How does it work? Easy. Give them choices & time to read every day, & then celebrate their accomplishments. I got a round of applause. Kind of sad, really, when I think about what that might mean."<br />
<br />
"I’ve seen enough “data”. Next year my classroom is going to be about creativity, projects, & having fun w/ ideas. The way I look at it now, every year may be my last, & I don’t want to go out playing a numbers game that was rigged against me & my students from the start. Rigidly applied standards will fail the kids; that’s not my job."
dougnoon
teaching
reading
creativity
well-being
resistance
pedagogy
2011
data
testing
standardizedtesting
poverty
theprivateeye
standards
standardization
numbersgame
statistics
schools
policy
reform
schoolreform
arneduncan
barackobama
rttt
nclb
from delicious
<br />
"I’ve seen enough “data”. Next year my classroom is going to be about creativity, projects, & having fun w/ ideas. The way I look at it now, every year may be my last, & I don’t want to go out playing a numbers game that was rigged against me & my students from the start. Rigidly applied standards will fail the kids; that’s not my job."
june 2011 by robertogreco
Obama at the ‘Miracle In Memphis’ | Gary Rubinstein's TFA Blog
june 2011 by robertogreco
"I hate to be a party pooper. But when the party is one that propagates the myth that education is where it is in this country because there are too many lazy teacher and, as proof, point to miracle schools whose only difference from the failing local school is the hard-working teachers, then I guess I’ll poop away. In reality, there’s a lot more to improving ‘graduation rates’ than that including, as I’ll demonstrate, some creative defining of ‘graduation rate’ and also some external factors that enable a school to rid themselves of the students that bring down that rate.<br />
<br />
When I heard about the miracle, I did some searching which took me to the official Tennessee Department of Education Report Card for that school On the page describing the graduation rates, I saw something unusual."
dropoutrates
schools
policy
politics
barackobama
arneduncan
miracleschools
education
graduationrates
2011
statistics
teaching
learning
from delicious
<br />
When I heard about the miracle, I did some searching which took me to the official Tennessee Department of Education Report Card for that school On the page describing the graduation rates, I saw something unusual."
june 2011 by robertogreco
Of Data Scientists, Big Data, the City and Dancers « Rev Dan Catt's Blog
june 2011 by robertogreco
"Lefebvre…talks about rhythm of cities…flow of people, morning coffee routine, lunchtime decisions…
How people shape the city, the pulse as agents gather together to form a temporary autonomous zone before collapsing back to being shaped by the city. To be not just in the city, but of the city.
I’m not a fan of cities…can’t design for cities as I don’t understand them.
Lefebvre’s writing suggests that to analyze a city you need to have been consum/mat/ed by it.
…same as Big Data. You can’t have someone who’s a “Data Scientist” just turn up & apply tools, clusters & statistics…haven’t been in-it enough…can’t have someone who’s w/in company, understands & feels flow of data everyday, unless…they know how to separate themselves…get outside. When people grow w/ a company, love it, understand everything that it could be, getting outside it is a hard won skill. “Scientist” needs to be able to remove self & apply clear analytical skill, but w/ fundamental understanding of subject."
revdancatt
cities
fata
henrilefebvre
understanding
urban
urbanism
empathy
objectivity
bigdata
datascience
statistics
programming
2011
from delicious
How people shape the city, the pulse as agents gather together to form a temporary autonomous zone before collapsing back to being shaped by the city. To be not just in the city, but of the city.
I’m not a fan of cities…can’t design for cities as I don’t understand them.
Lefebvre’s writing suggests that to analyze a city you need to have been consum/mat/ed by it.
…same as Big Data. You can’t have someone who’s a “Data Scientist” just turn up & apply tools, clusters & statistics…haven’t been in-it enough…can’t have someone who’s w/in company, understands & feels flow of data everyday, unless…they know how to separate themselves…get outside. When people grow w/ a company, love it, understand everything that it could be, getting outside it is a hard won skill. “Scientist” needs to be able to remove self & apply clear analytical skill, but w/ fundamental understanding of subject."
june 2011 by robertogreco
Desire Lines: Let Your Audience Shape Your Design | Van SEO Design
june 2011 by robertogreco
"As designers we want to control how people perceive our designs and keep people on our predefined path. We create lines for the eye to follow so they notice what we want them to notice. We direct them to the actions we want to them to take. We create navigation through our sites for how we expect people to travel our web pages.
And then along come real people who use our sites and view our pages, however they like. These people are creating desire lines through our websites. We can try our best to force them to do it our way, but they won’t. They’ll either do it their way or leave. A better approach would be to understand where the desire lines in our sites being created and adjust our designs to those desire lines."
design
desirelines
elephantpaths
deschooling
control
use
users
web
reading
statistics
ui
accommodations
from delicious
And then along come real people who use our sites and view our pages, however they like. These people are creating desire lines through our websites. We can try our best to force them to do it our way, but they won’t. They’ll either do it their way or leave. A better approach would be to understand where the desire lines in our sites being created and adjust our designs to those desire lines."
june 2011 by robertogreco
Understanding San Diego's Crime Drop - voiceofsandiego.org: Data-drive
may 2011 by robertogreco
"In San Diego, the number of violent crimes — murder, rape, robbery and aggravated assault — dropped 5.3 percent from the previous year and the number of property crimes — burglary, theft and vehicle theft — dropped 4.6 percent. (Nationwide, violent crime dropped 5.5 percent and property crimes were down 2.8 percent.)<br />
<br />
San Diego stood out in at least one crime category, though. Police reported 29 murders last year, a 29 percent drop from the previous year and the lowest number since 1963. It was a steeper drop than all other major cities and far greater than the nationwide drop, 4.4 percent.<br />
<br />
San Diego also continued to have one of the lowest violent crime rates among major cities, with 428 crimes per 100,000 residents. Only San Jose had a lower rate, with 331 crimes per capita. By comparison, the average for major cities was 700 crimes per capita."
sandiego
crime
data
statistics
2011
from delicious
<br />
San Diego stood out in at least one crime category, though. Police reported 29 murders last year, a 29 percent drop from the previous year and the lowest number since 1963. It was a steeper drop than all other major cities and far greater than the nationwide drop, 4.4 percent.<br />
<br />
San Diego also continued to have one of the lowest violent crime rates among major cities, with 428 crimes per 100,000 residents. Only San Jose had a lower rate, with 331 crimes per capita. By comparison, the average for major cities was 700 crimes per capita."
may 2011 by robertogreco
On The Media: Transcript of "The 'Decline Effect' and Scientific Truth" (May 13, 2011)
may 2011 by robertogreco
[Great story told with Jad Abumrad, Robert Krulwich, and Jonah Lehrer]<br />
<br />
"Surprising and exciting scientific findings capture our attention and captivate the press. But what if, at some point after a finding has been soundly established, it starts to disappear? In a special collaboration with Radiolab we look at the 'decline effect' when more data tells us less about scientific truth."<br />
<br />
[From the "Data Show": http://www.onthemedia.org/episodes/2011/05/13 See also "The Personal Data Revolution" http://www.onthemedia.org/transcripts/2011/05/13/01 AND "Data Journalism" http://www.onthemedia.org/transcripts/2011/05/13/02 AND "Two Cautionary Data Tales" http://www.onthemedia.org/transcripts/2011/05/13/03 ]<br />
<br />
[See also http://en.wikipedia.org/wiki/Observer_effect ]
declineeffect
2011
radiolab
jonahlehrer
jadabumrad
robertkrulwich
psychology
observation
science
research
statistics
data
reality
truth
perception
placebos
observereffect
from delicious
<br />
"Surprising and exciting scientific findings capture our attention and captivate the press. But what if, at some point after a finding has been soundly established, it starts to disappear? In a special collaboration with Radiolab we look at the 'decline effect' when more data tells us less about scientific truth."<br />
<br />
[From the "Data Show": http://www.onthemedia.org/episodes/2011/05/13 See also "The Personal Data Revolution" http://www.onthemedia.org/transcripts/2011/05/13/01 AND "Data Journalism" http://www.onthemedia.org/transcripts/2011/05/13/02 AND "Two Cautionary Data Tales" http://www.onthemedia.org/transcripts/2011/05/13/03 ]<br />
<br />
[See also http://en.wikipedia.org/wiki/Observer_effect ]
may 2011 by robertogreco
Guernica / The Straight Dope — Bill Moyers interviews David Simon, April 2011
april 2011 by robertogreco
"David Simon would be happy to find out that The Wire was hyperbolic and ridiculous, and that the “American Century” is still to come. But he's not betting on it. An excerpt from Bill Moyers Journal: The Conversation Continues, forthcoming from The New Press."<br />
<br />
"I am very cynical about institutions and their willingness to address themselves to reform. I am not cynical when it comes to individuals and people. And I think the reason The Wire is watchable, even tolerable, to viewers is that it has great affection for individuals. It’s not misanthropic in any way. It has great affection for those people, particularly when they stand up on their hind legs and say, “I will not lie anymore. I am actually going to fight for what I perceive to be some shard of truth.”"
davidsimon
billmoyers
toread
interviews
thewire
tv
television
politics
drugs
cities
baltimore
2011
government
policy
society
economics
journalism
statistics
progress
crime
lawenforcement
criminology
urban
urbanism
laissezfaire
markets
marketfundamentalism
decriminalization
underclass
class
race
incarceration
institutions
cynicism
reform
change
individualism
people
human
humancondition
humans
democracy
control
corruption
mexico
us
ideology
from delicious
<br />
"I am very cynical about institutions and their willingness to address themselves to reform. I am not cynical when it comes to individuals and people. And I think the reason The Wire is watchable, even tolerable, to viewers is that it has great affection for individuals. It’s not misanthropic in any way. It has great affection for those people, particularly when they stand up on their hind legs and say, “I will not lie anymore. I am actually going to fight for what I perceive to be some shard of truth.”"
april 2011 by robertogreco
The Really Smart Phone - WSJ.com
april 2011 by robertogreco
"Researchers are harvesting a wealth of intimate detail from our cellphone data, uncovering the hidden patterns of our social lives, travels, risk of disease—even our political views."
mobile
phones
cellphones
data
statistics
predictablity
health
predictions
research
2011
politics
policy
movement
travel
behavior
society
psychology
socialcontagion
robertleehotz
mit
alexpentland
humandynamiclaboratory
sms
texting
twitter
communication
happiness
smartphones
socialnetworks
from delicious
april 2011 by robertogreco
Rethinking Evaluation Metrics in Light of Flickr Commons | conference.archimuse.com
april 2011 by robertogreco
"cultural heritage institutions, including archives, libraries, and museums, have been placing their collections in Web spaces designed for collaboration and communication. Flickr Commons is one example of a highly visible space where cultural heritage institutions have partnered w/ a popular social networking site to provide greater discovery to, access of, & opportunities to interact w/ image collections on a large scale. It is important to understand how to measure the impact of these kinds of projects. Traditional metrics, including visit counts, tell only part of the story: much more nuanced information is often found in comments, notes, tags, & other info contributed by the user community. This paper will examine how several institutions on Flickr Commons - LoC, Powerhouse Museum, Smithsonian, NYPL, & Cornell U Library - are navigating the concept of evaluation in an emerging arena where compelling statistics are often qualitative, difficult to gather, & ever-changing.
flickr
metrics
socialmedia
statistics
museums
flickrcommons
commons
from delicious
april 2011 by robertogreco
The 12 States of America - The Atlantic
march 2011 by robertogreco
"Since 1980, income inequality has fractured the nation. Click each icon to see each of the dozen states, which counties belong to them and how median income has changed over the last 30 years."
economics
culture
us
maps
mapping
statistics
income
incomegap
diversity
disparity
inequality
1980
2010
classideas
from delicious
march 2011 by robertogreco
How big is the problem? | The wrong cure | False Economy
march 2011 by robertogreco
"No country can run huge deficits every year for ever.<br />
<br />
The bigger the national debt that builds up, the more expensive it is to meet interest payments. At some point it becomes more difficult and more expensive for governments to borrow extra money because people become reluctant to lend to them.<br />
<br />
But we are nowhere near that point in the UK. Let's look more closely at the national debt. "
uk
debt
nationaldebt
2011
infographics
charts
economics
statistics
policy
from delicious
<br />
The bigger the national debt that builds up, the more expensive it is to meet interest payments. At some point it becomes more difficult and more expensive for governments to borrow extra money because people become reluctant to lend to them.<br />
<br />
But we are nowhere near that point in the UK. Let's look more closely at the national debt. "
march 2011 by robertogreco
Forgotten Infographic Masterpieces by W.E.B. DuBois's Students Show Black History | Co.Design
february 2011 by robertogreco
"W.E.B. DuBois's sociology students hand-drew these charts plotting the plight of African Americans in the decades after the Civil War."
history
visualization
racism
statistics
infographics
webdubois
reconstruction
civilwar
classideas
from delicious
february 2011 by robertogreco
How much time is wasted in your meetings?
february 2011 by robertogreco
Do you feel like your life is wasted in useless meetings? No worries, just look around, count the number of people, guess the average salary (doesn't have to be that precise), type in the values and turn your laptop screen towards everyone else. For added effect, put it on the projector.
money
statistics
counter
meetings
wastedtime
wastedmoney
calculator
humor
from delicious
february 2011 by robertogreco
Junar · Discovering Data
february 2011 by robertogreco
"Junar let's you extract data from the web, and keep it updated as a Data Feed.<br />
<br />
Track the data you care about, and arrange it into your own Dashboard. See our demo!<br />
<br />
And the most important thing: it's for free."
junar
chile
argentina
onlinetoolkit
data
extraction
dataextraction
web
tracking
live
statistics
from delicious
<br />
Track the data you care about, and arrange it into your own Dashboard. See our demo!<br />
<br />
And the most important thing: it's for free."
february 2011 by robertogreco
Per Square Mile
february 2011 by robertogreco
"Per Square Mile is a blog about density. It’s about what happens when people live like packed sardines. It’s also about what happens when people live so far apart they can go days without seeing another soul. It’s about living amongst trees and prairies, and living in places miles away from them. It’s about the trees and the prairies, too. And lakes and streams and animals and insects. In short, this is a blog about density of all types."
maps
geography
urbanism
planning
density
mapping
infographics
statistics
demographics
classideas
sustainability
from delicious
february 2011 by robertogreco
What’s wrong with bean counting? - Steve Denning - RETHINK - Forbes
february 2011 by robertogreco
"It’s important to note what’s wrong with bean counting. It’s not that counting is wrong. Counting is good. We desperately need to know what’s working and what isn’t.<br />
The problem with the bean counters is what’s being counted. It’s a focus on solely counting things, rather than dimensions of life related to people. It’s perfectly possible to measure dimensions like client delight and employee satisfaction, but the bean counters–and 20th Century business–focused on counting the beans.<br />
Bean counting is the consequence of a view of the world as consisting of “things” to be manipulated, rather than people to be interacted with and conversed with and responded to.<br />
The new economics counts the people dimensions as well as the beans. And guess what? Even in conventional bean-counting terms, the new economics turns out to be two- to four-times more productive than traditional management…"
economics
society
change
management
administration
numbers
statistics
accounting
accountability
accountants
people
leadership
standardizedtesting
whatmatters
tunnelvision
from delicious
The problem with the bean counters is what’s being counted. It’s a focus on solely counting things, rather than dimensions of life related to people. It’s perfectly possible to measure dimensions like client delight and employee satisfaction, but the bean counters–and 20th Century business–focused on counting the beans.<br />
Bean counting is the consequence of a view of the world as consisting of “things” to be manipulated, rather than people to be interacted with and conversed with and responded to.<br />
The new economics counts the people dimensions as well as the beans. And guess what? Even in conventional bean-counting terms, the new economics turns out to be two- to four-times more productive than traditional management…"
february 2011 by robertogreco
Caterina.net» Blog Archive » A WORD ON STATISTICS by Wislawa Szymborska
february 2011 by robertogreco
"Out of every hundred people,<br />
those who always know better:fifty-two.<br />
Unsure of every step:almost all the rest.<br />
Ready to help,if it doesn’t take long:forty-nine.<br />
Always good,because they cannot be otherwise:four — well, maybe five.<br />
Able to admire without envy:eighteen…"
poetry
statistics
wislawaszymborska
classideas
poems
numbers
empathy
from delicious
those who always know better:fifty-two.<br />
Unsure of every step:almost all the rest.<br />
Ready to help,if it doesn’t take long:forty-nine.<br />
Always good,because they cannot be otherwise:four — well, maybe five.<br />
Able to admire without envy:eighteen…"
february 2011 by robertogreco
Mapping America — Census Bureau 2005-9 American Community Survey - NYTimes.com
february 2011 by robertogreco
"Browse local data from the Census Bureau's American Community Survey, based on samples from 2005 to 2009. Because these figures are based on samples, they are subject to a margin of error, particularly in places with a low population, and are best regarded as estimates."
maps
visualization
census
data
statistics
us
race
income
housing
families
education
classideas
2010
diversity
nytimes
ethnicity
demographics
from delicious
february 2011 by robertogreco
The Best Questions For A First Date « OkTrends
february 2011 by robertogreco
[I've seen many pointers to this article, but none of them mentioned this bit on religion and writing proficiency (or the simplicity/complexity correlation with politics part either). See the chart at the end of the article.]<br />
<br />
"If your date answers 'no'—i.e. is okay with bad grammar and spelling—the odds of him or her being at least moderately religious is slightly better than 2:1.<br />
As someone who is not himself a believer, I found it rather heartening that tolerance, even on something trivial like this, correlated with belief in God, although I should've figured out that religious people are okay with small mistakes. Next to intelligent design, what's a couple typos?<br />
It's also nice when two completely independent datasets corroborate each other. Last summer, we analyzed the profile text of half a million user profiles, comparing religion and writing-level. For every one of the faith-based belief systems listed, the people who were the least serious wrote at the highest level."
dating
statistics
research
relationships
religion
grammar
writing
belief
intelligence
simplicity
complexity
politics
okcupid
data
from delicious
<br />
"If your date answers 'no'—i.e. is okay with bad grammar and spelling—the odds of him or her being at least moderately religious is slightly better than 2:1.<br />
As someone who is not himself a believer, I found it rather heartening that tolerance, even on something trivial like this, correlated with belief in God, although I should've figured out that religious people are okay with small mistakes. Next to intelligent design, what's a couple typos?<br />
It's also nice when two completely independent datasets corroborate each other. Last summer, we analyzed the profile text of half a million user profiles, comparing religion and writing-level. For every one of the faith-based belief systems listed, the people who were the least serious wrote at the highest level."
february 2011 by robertogreco
Only 66% Use Twitter Profile Location Field as Intended, Says PARC Research Study
january 2011 by robertogreco
"From the 34% who did not provide real location information, there were a number of trends spotted. One was that the field was often used to denote appreciation for a particular celebrity. Celebrities the researchers came across here included Britney Spears, the Jonas Brothers, Jedward and, of course, topping the charts with 61 users mentioning him, Justin Bieber.<br />
Another common trend was using the location field to express a desire for keeping that information private through the use of phrasing like "not telling you," "none of your business," etc. Also frequenting this field were insults ("looking down on u people"), non-Earth locations ("outta space"), sexual content, jokes and even an expression about how much someone hated their current location. (for example, one user said he was from "redneck hell")."
twitter
privacy
geolocation
location
statistics
identity
via:migurski
from delicious
Another common trend was using the location field to express a desire for keeping that information private through the use of phrasing like "not telling you," "none of your business," etc. Also frequenting this field were insults ("looking down on u people"), non-Earth locations ("outta space"), sexual content, jokes and even an expression about how much someone hated their current location. (for example, one user said he was from "redneck hell")."
january 2011 by robertogreco
Horoscoped
january 2011 by robertogreco
"Ready? Sure? Whatever the situation or secret moment, enjoy everything a lot. Feel able to absolutely care. Expect nothing else. Keep making love. Family and friends matter. The world is life, fun, and energy. Maybe hard. Or easy. Taking exactly enough is best. Help and talk to others. Change your mind and a better mood comes along..." [via: http://kottke.org/11/01/horoscopes-all-the-same ]
infographics
visualization
statistics
astrology
psychology
from delicious
january 2011 by robertogreco
Is Mobile Affecting When We Read? « Read It Later Blog
january 2011 by robertogreco
"When a reader is given a choice about how to consume their content, a major shift in behavior occurs. They no longer consume the majority of their content during the day, on their computer. Instead they shift that content to prime time and onto a device better suited for consumption.<br />
<br />
Initially, it appears that the devices users prefer for reading are mobile devices, most notably the iPad. It’s the iPad leading the jailbreak from consuming content in our desk chairs.<br />
<br />
As better mobile experiences become more accessible to more readers, this movement will continue to grow. Readers want to consume content in a comfortable place, on their own time and mobile devices are making it possible for readers to take control once more." [via: http://www.preoccupations.org/2011/01/delicious-i.html ]
ipad
mobile
reading
statistics
research
2011
readitlater
instapaper
timeshifting
timeshiftedreading
via:preoccupations
bookmarks
bookmarking
trends
mobilecomputing
kindle
from delicious
<br />
Initially, it appears that the devices users prefer for reading are mobile devices, most notably the iPad. It’s the iPad leading the jailbreak from consuming content in our desk chairs.<br />
<br />
As better mobile experiences become more accessible to more readers, this movement will continue to grow. Readers want to consume content in a comfortable place, on their own time and mobile devices are making it possible for readers to take control once more." [via: http://www.preoccupations.org/2011/01/delicious-i.html ]
january 2011 by robertogreco
The Joy of Stats
january 2011 by robertogreco
"Documentary which takes viewers on a rollercoaster ride through the wonderful world of statistics to explore the remarkable power thay have to change our understanding of the world, presented by superstar boffin Professor Hans Rosling, whose eye-opening, mind-expanding and funny online lectures have made him an international internet legend."
statistics
documentary
film
classideas
math
mathematics
hansrosling
history
influence
power
understanding
patternrecognition
from delicious
january 2011 by robertogreco
The Rockefeller Foundation on “the future of crowdsourced cities” « Adam Greenfield's Speedbird [Great post as Adam shutters Speedbird.]
december 2010 by robertogreco
"These are some easily-foreseeable problems w/ purely bottom-up approaches to urban informatics. None of this is to denigrate legacy of Jane Jacobs…remains personal hero & primary touchstone for my work. & none of it is to argue that there oughn’t be central role for democratic voice in development of policy, management of place & delivery of services. It’s just to signal that things might not be as clearcut as we might wish—especially those of us who have historically been energized by presence of clear (& clearly demonizable) opponent.<br />
<br />
If I’ve spent my space here calling attention to pitfalls of bottom-up approaches…because I think the promise is so self-evident…delighted to hear Anthony Townsend’s prognostication of/call for a “planet of civic laboratories,” in which getting to scale immediately is less important than a robust search of possibility space around these new technologies, & how citydwellers around world will use them in their making of place."
cities
technology
bottom-up
crowdsourcing
action
activism
datavisualization
urbancomputing
urban
urbanism
janejacobs
robertmoses
anthonytownsend
urbaninformatics
place
civiclaboratories
lcproject
possibilityspace
systems
government
democracy
policy
servicedesign
transparency
collaboration
scale
consistency
infrastructure
intervention
offloading
responsibilization
municipalities
seeclickfix
entitlement
humanintervention
moderation
laurakurgan
sarahwilliams
spatialinformation
maps
mapping
statistics
benjamindelapeña
carolcolletta
ceosforcities
rockefellerfoundation
greglindsay
lauraforlano
spatial
from delicious
<br />
If I’ve spent my space here calling attention to pitfalls of bottom-up approaches…because I think the promise is so self-evident…delighted to hear Anthony Townsend’s prognostication of/call for a “planet of civic laboratories,” in which getting to scale immediately is less important than a robust search of possibility space around these new technologies, & how citydwellers around world will use them in their making of place."
december 2010 by robertogreco
Simpson's paradox - Wikipedia
december 2010 by robertogreco
"In probability and statistics, Simpson's paradox (or the Yule-Simpson effect) is an apparent paradox in which a correlation (trend) present in different groups is reversed when the groups are combined. This result is often encountered in social-science and medical-science statistics,[1] and it occurs when frequency data are hastily given causal interpretations.[2] Simpson's Paradox disappears when causal relations are brought into consideration (see Implications to Decision Making)."
statistics
math
paradox
mathematics
simpson'sparadox
december 2010 by robertogreco
Simpson's paradox - Wikipedia
december 2010 by robertogreco
"In probability and statistics, Simpson's paradox (or the Yule-Simpson effect) is an apparent paradox in which a correlation (trend) present in different groups is reversed when the groups are combined. This result is often encountered in social-science and medical-science statistics,[1] and it occurs when frequency data are hastily given causal interpretations.[2] Simpson's Paradox disappears when causal relations are brought into consideration (see Implications to Decision Making)."
statistics
math
paradox
mathematics
simpson'sparadox
from delicious
december 2010 by robertogreco
Achievement, Performance and Statistics « The Free School Apparent
december 2010 by robertogreco
"It was mentioned at the end of the film that we are at a tipping point. But I think we have already crashed. Part of changing this diversion of balance is to reevaluate education. What does it mean to learn? How does one learn? We need to look at all the things that have been cast aside by this modern institution: play, free time, boredom, curiosity, creativity, social interaction, self motivation. These are what made the leaders of the past. Inventions come from people who get time to sit around and just think. I once read about a guy who invented a computer game by staring at his bathroom floor tiles while sitting on the toilet. Where is the space in all this racing around to get a reward that is not there?<br />
<br />
It is truly a race to nowhere. And we need to erase the blackboard and start again. We need to stop looking at the statistics, and start looking at the children."
education
learning
lcproject
charters
achievement
performance
statistics
standardizedtesting
standardization
racetonowhere
children
schools
schooliness
policy
curiosity
invention
boredom
creativity
unschooling
deschooling
self-motivation
intrinsicmotivation
from delicious
<br />
It is truly a race to nowhere. And we need to erase the blackboard and start again. We need to stop looking at the statistics, and start looking at the children."
december 2010 by robertogreco
Country Studies
november 2010 by robertogreco
"This website contains the on-line versions of books previously published in hard copy by the Federal Research Division of the Library of Congress as part of the Country Studies/Area Handbook Series sponsored by the U.S. Department of the Army between 1986 and 1998. Each study offers a comprehensive description and analysis of the country or region's historical setting, geography, society, economy, political system, and foreign policy."
database
demographics
economics
countries
culture
geography
books
reference
countrystudies
studies
international
world
government
history
education
statistics
data
from delicious
november 2010 by robertogreco
Isarithmic History of the Two-Party Vote « David B. Sparks
november 2010 by robertogreco
"This animated interpretation accentuates certain phenomena: the breadth and duration of support for Roosevelt, the shift from a Democratic to a Republican South, the move from an ostensibly east-west division to the contemporary coasts-versus-heartland division, and the stability of the latter.<br />
More broadly, this video is a reminder that what constitutes “politics as usual” is always in flux, shifting sometimes abruptly. The landscape of American politics is constantly evolving, as members of the two great parties battle for electoral supremacy."
visualization
history
government
politics
geodata
elections
statistics
maps
us
mapping
classideas
republicans
democrats
two-partydominance
from delicious
More broadly, this video is a reminder that what constitutes “politics as usual” is always in flux, shifting sometimes abruptly. The landscape of American politics is constantly evolving, as members of the two great parties battle for electoral supremacy."
november 2010 by robertogreco
What a Hundred Million Calls to 311 Reveal About New York | Magazine | Wired.com
november 2010 by robertogreco
"Whether it happens through government services such as 311, private-sector startups, open source initiatives, or, most likely, a combination of all three, it’s clear that the 21st-century city is going to be immensely more efficient at solving clear, definable problems like graffiti and transportation routes. The question is whether these platforms can also address the more subtle problems of big-city neighborhoods—the sins of omission, the holes in the urban fabric where some crucial thread is missing. After all, when people gripe about their neighborhood, it’s usually not the potholes or clogged storm drains they have in mind; it’s the fact that there isn’t a dog run nearby or a playground or a good preschool with space available. “We’re really interested in tackling things that are problems not because they’re broken but because they don’t exist,” Ashlock says."
stevenjohnson
infographics
crowdsourcing
government
mapping
maps
nyc
opendata
statistics
datavisualization
information
visualization
urbanism
urban
infographic
community
cities
data
open311
311
from delicious
november 2010 by robertogreco
Families and Work Institute
november 2010 by robertogreco
"Families and Work Institute is a nonprofit center dedicated to providing research for living in today’s changing workplace, changing family and changing community.<br />
<br />
Since the Institute was founded in 1989, our work has tackled issues in three major areas: the workforce/workplace, youth and early childhood.<br />
<br />
Families and Work Institute’s research takes on emerging issues before they crest and includes some of the most comprehensive research on the U.S. workforce available.<br />
<br />
The Institute’s work has helped change the language of debates to move the discussion forward toward more effective, and data-driven solutions, and to result in action."
worklifebalance
work
families
demographics
research
statistics
parenting
workplace
life
organization
careers
business
jobs
livework
glvo
from delicious
<br />
Since the Institute was founded in 1989, our work has tackled issues in three major areas: the workforce/workplace, youth and early childhood.<br />
<br />
Families and Work Institute’s research takes on emerging issues before they crest and includes some of the most comprehensive research on the U.S. workforce available.<br />
<br />
The Institute’s work has helped change the language of debates to move the discussion forward toward more effective, and data-driven solutions, and to result in action."
november 2010 by robertogreco
Cities - Radiolab
november 2010 by robertogreco
"In this hour of Radiolab, we take to the street to ask what makes cities tick.<br />
<br />
There's no scientific metric for measuring a city's personality. But step out on the sidewalk, and you can see and feel it. Two physicists explain one tidy mathematical formula that they believe holds the key to what drives a city. Yet math can't explain most of the human-scale details that make urban life unique. So we head out in search of what the numbers miss, and meet a reluctant city dweller, a man who's walked 700 feet below Manhattan, and a once-thriving community that's slipping away."
cities
radiolab
2010
math
physics
nyc
collapse
urban
urbanism
jonahlehrer
size
footfall
comparison
statistics
data
measurement
tolisten
from delicious
<br />
There's no scientific metric for measuring a city's personality. But step out on the sidewalk, and you can see and feel it. Two physicists explain one tidy mathematical formula that they believe holds the key to what drives a city. Yet math can't explain most of the human-scale details that make urban life unique. So we head out in search of what the numbers miss, and meet a reluctant city dweller, a man who's walked 700 feet below Manhattan, and a once-thriving community that's slipping away."
november 2010 by robertogreco
Global house prices: Clicks and mortar | The Economist
october 2010 by robertogreco
"The Economist has been publishing data on global house prices since 2002. The interactive tool above enables you to compare nominal and real house prices across 20 markets over time. And to get a sense of whether buying a property is becoming more or less affordable, you can also look at the changing relationships between house prices and rents, and between house prices and incomes."
housing
economics
data
us
uk
japan
international
prices
2010
property
via:cityofsound
housingbubble
graphs
statistics
charts
from delicious
october 2010 by robertogreco
Autism and HIV: when maths can be misleading - Telegraph
october 2010 by robertogreco
"Moreover, the number of people involved was small: 20 with autism, 20 without. With that small a group, it’s hard to tell whether any association that shows up is meaningful. You can train a computer using photos of the family cat, and it will calculate whichever combination of size, colour, and whisker length best detects autism in its owner. There are so many potential combinations that in all likelihood one of them will appear to perform pretty well. But try it on another bunch of people, and the odds are it will fail."
hiv
autism
statistics
math
mathematics
research
falsenegatives
accuracy
numbers
from delicious
october 2010 by robertogreco
A Website on the U.S. Trade Policy Disaster || UNSUSTAINABLE.org [via:http://twitter.com/agpublic/status/27794932144}
october 2010 by robertogreco
"The New York Times yesterday carried a major article headlined "Japan Goes from Dynamic to Disheartened." Rarely has the truth of the Japanese economy been so completely misrepresented. This article is a highly selective pastiche of isolated hard-luck stories plus spin from propagandistic sources (as close observers have long understood, the Japanese establishment pursues a policy of exaggerating Japan's weaknesses and understating its strengths, the better to stay out of Washington's sights on trade). Worse, key "facts" are indisputably wrong." [See also: http://twitter.com/agpublic/status/27795082477 http://twitter.com/agpublic/status/27795248121 AND http://twitter.com/agpublic/status/27800194594]
japan
economics
deflation
facts
nytimes
statistics
population
2010
from delicious
october 2010 by robertogreco
7 Essential Skills You Didn't Learn in College | Magazine
october 2010 by robertogreco
"1. Statistical Literacy: Making sense of today’s data-driven world.<br />
2. Post-State Diplomacy: Power and politics, sans government.<br />
3. Remix Culture: Samples, mashups, and mixes.<br />
4. Applied Cognition: The neuroscience you need.<br />
5. Writing for New Forms: Self-expression in 140 characters.<br />
6. Waste Studies: Understanding end-to-end economics.<br />
7. Domestic Tech: How to use the world as your lab."
arts
culture
education
wired
learning
lifehacks
skills
unschooling
deschooling
statistics
literacy
post-statediplomacy
diplomacy
remix
remixculture
appliedcognition
cognition
neuroscience
writing
twitter
microblogging
waste
saulgriffith
fabbing
science
diy
make
making
rogerebert
nassimtaleb
davidkilcullen
robertrauschenberg
jillboltetaylor
brain
barryschwartz
jonahlehrer
robinsloan
alexismadrigal
newliberalarts
from delicious
2. Post-State Diplomacy: Power and politics, sans government.<br />
3. Remix Culture: Samples, mashups, and mixes.<br />
4. Applied Cognition: The neuroscience you need.<br />
5. Writing for New Forms: Self-expression in 140 characters.<br />
6. Waste Studies: Understanding end-to-end economics.<br />
7. Domestic Tech: How to use the world as your lab."
october 2010 by robertogreco
Third Way - Publications - Publication Content
october 2010 by robertogreco
"For many Americans, the amount they pay in taxes is larger than any purchase they make during the year, but studies show they know almost nothing about where that money goes to. This contributes to ridiculous beliefs, like the view that 20% of government spending goes to foreign aid, for example. An electorate unschooled in basic budget facts is a major obstacle to controlling the nation’s deficit, not to mention addressing a host of economic and social problems. We suggest that everyone who files a tax return receive a “taxpayer receipt.” This receipt would tell them to the penny what their taxes paid for based on the amount they paid in federal income taxes and FICA."
taxes
us
government
money
deficit
policy
education
classideas
statistics
truth
from delicious
october 2010 by robertogreco
Nic Marks: The Happy Planet Index | Video on TED.com
september 2010 by robertogreco
"Statistician Nic Marks asks why we measure a nation's success by its productivity -- instead of by the happiness and well-being of its people. He introduces the Happy Planet Index, which tracks national well-being against resource use (because a happy life doesn't have to cost the earth). Which countries rank highest in the HPI? You might be surprised."
economics
environment
happiness
statistics
sustainability
ted
nicmarks
fear
well-being
productivity
latinamerica
future
progress
finance
growth
metrics
gdp
measurement
greed
robertkennedy
from delicious
september 2010 by robertogreco
The Texas Sharpshooter Fallacy « You Are Not So Smart
september 2010 by robertogreco
"When you desire meaning, when you want things to line up, you forget about stochasticity. You are lulled by the signal. You forget about noise. With meaning, you overlook randomness, but meaning is a human construction.<br />
<br />
You have just committed the Texas Sharpshooter Fallacy.<br />
<br />
The fallacy gets its name from imagining a cowboy shooting at a barn. Over time, the side of the barn becomes riddled with holes. In some places there are lots of them, in others there are few. If the cowboy later paints a bullseye over a spot where his bullet holes clustered together it looks like he is pretty good with a gun.<br />
<br />
By painting a bullseye over a bullet hole the cowboy places artificial order over natural random chance.<br />
<br />
If you have a human brain, you do this all of the time. Picking out clusters of coincidence is a predictable malfunction of normal human logic."
randomness
fallacies
skepticism
statistics
bias
psychology
probability
logic
fallacy
coincidence
from delicious
<br />
You have just committed the Texas Sharpshooter Fallacy.<br />
<br />
The fallacy gets its name from imagining a cowboy shooting at a barn. Over time, the side of the barn becomes riddled with holes. In some places there are lots of them, in others there are few. If the cowboy later paints a bullseye over a spot where his bullet holes clustered together it looks like he is pretty good with a gun.<br />
<br />
By painting a bullseye over a bullet hole the cowboy places artificial order over natural random chance.<br />
<br />
If you have a human brain, you do this all of the time. Picking out clusters of coincidence is a predictable malfunction of normal human logic."
september 2010 by robertogreco
Understanding Shakespeare / Approaches
september 2010 by robertogreco
"The goal of this approach was to provide an overview of the entire play by showing its text through a collection of the most frequently used words for each character. A scene is represented by a block of text and scaled relatively according to its number of words. Characters are ordered by appearance from left to right throughout the play. The major character’s speeches are highlighted to illustrate their amounts of spoken words as compared to the rest of the play."
shakespeare
visualization
processing
text
classideas
statistics
data
english
language
from delicious
september 2010 by robertogreco
Historical Census of Housing Tables - Home Values
august 2010 by robertogreco
"Median home values adjusted for inflation nearly quadrupled over the 60-year period since the first housing census in 1940. The median value of single-family homes in the United States rose from $30,600 in 1940 to $119,600 in 2000, after adjusting for inflation (see graph). Median home value increased in each decade of this 60-year period, rising fastest (43 percent) in the 1970s and slowest (8.2 percent) in the 1980s. Both home values adjusted and unadjusted for inflation are presented. These values refer to owner-occupied single-family housing units on less than 10 acres without a business or medical office on the property."
housing
bubble
census
data
economics
realestate
money
prices
statistics
us
from delicious
august 2010 by robertogreco
Historical Financial Statistics - The Center for Financial Stability
august 2010 by robertogreco
"Welcome to Historical Financial Statistics, a free, noncommercial data set that went online in July 2010. We aim to be a source of comprehensive, authoritative, easy-to-use macroeconomic data stretching back several centuries. Our target range of coverage is from 1492 to the present, with special emphasis on the years before 1950, which few databases cover in detail."
via:lukeneff
economics
finance
financial
history
statistics
reference
macroeconomics
politics
ngo
data
business
international
august 2010 by robertogreco
We must fire bad doctors
july 2010 by robertogreco
Four part piece on US education policy that starts with a sarcastic bit about firing bad doctors because of the obesity problem in the US.
via:cervus
schools
policy
education
us
medicine
healthcare
society
meritpay
unions
teaching
publicschools
statistics
july 2010 by robertogreco
David Freedman, 'Wrong' Author, on Why to Not Trust Experts - TIME [via: http://twitter.com/ebertchicago/status/17818476443]
july 2010 by robertogreco
"He begins by writing that about two-thirds of the findings published in the top medical journals are refuted within a few years. It gets worse. As much as 90% of physicians' medical knowledge has been found to be substantially or completely wrong. In fact, there is a 1 in 12 chance that a doctor's diagnosis will be so wrong that it causes the patient significant harm. And it's not just medicine. Economists have found that all studies published in economics journals are likely to be wrong. Professionally prepared tax returns are more likely to contain significant errors than self-prepared returns. Half of all newspaper articles contain at least one factual error. So why, then, do we blindly follow experts? Freedman has an idea, which he elaborates on in his book Wrong: Why Experts Keep Failing Us — and How to Know When Not to Trust Them. Freedman talked to TIME about why we believe experts, how to find good advice and why we should trust him — even though he's kind of an expert."
psychology
expertise
experts
science
research
books
certainty
trust
wrong
criticalthinking
tcsnmy
authority
blindlyfollowing
data
statistics
selffulfillingprophesies
advice
decisionmaking
judgement
brain
july 2010 by robertogreco
Chris Heathcote: anti-mega: griotism
july 2010 by robertogreco
"So employing an internal data griot makes a lot of sense: someone who can spend the time looking for both large trends and individual needs and uses that illuminate and portend. It’s a hard job, needing a mix of skills rarely found – a smidgen of hard maths and statistics, a pinch of programming, and dessert spoons of various liberal arts. The Economist (sub required) posits them as data scientists (a position Flickr are currently looking for), but this misses the ability to ask interesting questions, and having hunches – being so immersed in the data that relevancy screams out."
chrisheathcote
last.fm
data
griot
processing
python
stories
visualization
web
storytelling
interdisciplinary
hunches
questioning
math
mathematics
relevance
patternrecognition
patterns
newliberalarts
programming
statistics
trends
griotism
datagriots
july 2010 by robertogreco
CureTogether
july 2010 by robertogreco
"CureTogether helps people anonymously track and compare health data, to better understand their bodies, make more informed treatment decisions and contribute data to research."
activism
crowdsourcing
healthcare
medicine
opensource
education
health
curetogether
diagnosis
ehealth
aggregator
collaboration
community
socialsoftware
statistics
visualization
socialnetworking
tracking
research
patients
data
july 2010 by robertogreco
Self-organizing map - Wikipedia
june 2010 by robertogreco
"A self-organizing map (SOM) or self-organizing feature map (SOFM) is a type of artificial neural network that is trained using unsupervised learning to produce a low-dimensional (typically two-dimensional), discretized representation of the input space of the training samples, called a map. Self-organizing maps are different from other artificial neural networks in the sense that they use a neighborhood function to preserve the topological properties of the input space."
maps
mathematics
networks
optimization
datamining
database
clustering
classification
algorithms
ai
learning
programming
research
statistics
visualization
neuralnetworks
mapping
som
self-organizingmaps
june 2010 by robertogreco
Make the world play more - Playreport | Facebook
june 2010 by robertogreco
"Playreport is a global research project on children, families and play, initiated by IKEA. We've conducted 11,000 interviews in 25 countries. We spoke to 8,000 parents and 3,000 children aged 7-12. Discover the results, share your thoughts and ideas."
2010
childhood
psychology
statistics
facebook
ikea
play
children
research
survey
june 2010 by robertogreco
PlotWeaver: Automating xkcd's Movie Character Interaction Graphs - information aesthetics
june 2010 by robertogreco
"After noticing the beauty behind xkcd's beautiful graphs depicting the Interactions of Movie Characters, Stanford student Vadim Ogievetsky decided to develop an online software tool that would allow him to generate visually similar looking versions. Accordingly, PlotWeaver [stanford.edu] presents an efficient and effective layout algorithm that, with the users help, generates visual results similar to these hand-crafted posters. Ultimately, his aim is to even automate the whole process from movie script or IMDB quote page to a beautiful representative visual depiction.
art
crowdsourcing
data
film
movies
statistics
visualization
xkcd
storytelling
narrative
software
programming
june 2010 by robertogreco
Newsweek (The sums of all our fears.)
june 2010 by robertogreco
"[M]uch of what we fear today is based on hype rather than reality. ... Using the most recent US data available, we hereby present a lidt of unsettling threats and their riskier counterparts."
crime
danger
data
fear
infographic
newsweek
numbers
statistics
theft
death
risk
media
hype
june 2010 by robertogreco
The Man Who Could Unsnarl Manhattan Traffic | Magazine
may 2010 by robertogreco
"Kheel hoped that Komanoff’s work would support a plan to offer completely free public transit. But Komanoff found that the system would still be overloaded at rush hour. Drivers had to be encouraged to travel at different times of the day. So he devised a new plan, one that charged both drivers and transit riders different rates at different times. ... Buses are always free, because the time saved when passengers aren’t fumbling for change more than makes up for the lost fare revenue. ...
architecture
cities
cars
manhattan
nyc
statistics
traffic
transit
transport
economics
data
transportation
excel
energy
complexity
subways
math
urban
taxis
buses
chaleskomanoff
may 2010 by robertogreco
Environmental Performance Index 2010: Home
may 2010 by robertogreco
"The 2010 Environmental Performance Index (EPI) ranks 163 countries on 25 performance indicators tracked across ten policy categories covering both environmental public health and ecosystem vitality. These indicators provide a gauge at a national government scale of how close countries are to established environmental policy goals."
climate
climatechange
conservation
sustainability
pollution
environment
data
performance
measurement
maps
statistics
research
countries
graphics
rankings
may 2010 by robertogreco
Stats applications in the App Garden « Flickr Blog
may 2010 by robertogreco
"Woo! Pro members have options for watching their view counts and stats with three applications we’ve noticed in the App Garden.
flickr
statistics
photography
tools
applications
may 2010 by robertogreco
Clive Thompson on Why We Should Learn the Language of Data | Magazine
may 2010 by robertogreco
"There are oodles of other examples of how our inability to grasp statistics — & mother of it all, probability — makes us believe stupid things. Gamblers think their number is more likely to come up this time because it didn’t last time. Political polls are touted by media even when their samples are laughably skewed. (This issue breaks left & right...Intellectually serious skeptics of anthropogenic climate change argue that the statistical case is weak — that Al Gore & fellow travelers employ dubious techniques to sample & crunch global temperatures.)
clivethompson
statistics
literacy
politics
policy
analytics
visualization
mathematics
education
economics
data
environment
information
climate
reason
probability
may 2010 by robertogreco
Where a Cellphone Is Still Cutting Edge - NYTimes.com
april 2010 by robertogreco
"What if, globally speaking, the iPad is not the next big thing? What if the next big thing is small, cheap and not American?
mobilephones
africa
india
technology
innovation
internet
ipad
communication
phones
mobile
statistics
trends
leapfrogging
april 2010 by robertogreco
Nobody Has A Million Twitter Followers - Anil Dash
april 2010 by robertogreco
That leaves an inescapable conclusion. Nobody has a million followers on Twitter. And being on the suggested user list doesn't add value to a Twitter account, regardless of whether you're a regular guy like me, or one of the biggest brands in the world.
anildash
attention
celebrity
statistics
twitter
followers
fame
lists
marketing
publishing
socialmedia
community
data
april 2010 by robertogreco
Nine Myths about Socialism in the US | CommonDreams.org
april 2010 by robertogreco
"When you look at how the US compares to these 30 countries [OECD], the hot air myths about the US government going all out towards socialism sort of disappear into thin air. Here are some examples of myths that do not hold up.
socialusm
us
disparity
wealth
statistics
health
oecd
comparison
government
politics
class
poverty
foreignaid
april 2010 by robertogreco
The shock of the old: Welcome to the elderly age - opinion - 08 April 2010 - New Scientist
april 2010 by robertogreco
"Of all the people in human history who ever reached the age of 65, half are alive now. Meanwhile, women around the world have 1/2 as many children as their mothers. & if Japan is the model, their daughters may have 1/2 as many as they do.
age
aging
science
transhumanism
demographics
elderly
history
population
via:kottke
culture
data
statistics
april 2010 by robertogreco
$11,000 for the First Apple Portable Computer! The Real Cost of Apple Products - What's the Big Deal?
april 2010 by robertogreco
"On the eve of Apple's iPad launch, we thought it would be interesting to see whether the cost of the iPad really is an 'unbelievable price' compared to previous Apple product launches.
visualization
infographics
inflation
infographic
statistics
apple
computers
mac
money
prices
gadgets
comparison
hardware
ipod
iphone
ipad
april 2010 by robertogreco
Amber Waves, March 2010, Feature - Guess Who's Turning 100? Tracking a Century of American Eating
march 2010 by robertogreco
"ERS’s food availability data span 100 years, allowing researchers, marketers,
agriculture
consumerism
culture
food
us
statistics
trends
eating
march 2010 by robertogreco
Apple’s iPad, General Motors, and the shrinking middle of the consumer market : The New Yorker
march 2010 by robertogreco
"The products made by midrange companies are neither exceptional enough to justify premium prices nor cheap enough to win over value-conscious consumers. Furthermore, the squeeze is getting tighter every day. Thanks to economies of scale, products that start out mediocre often get better without getting much more expensive -- the newest Flip, for instance, shoots in high-def and has four times as much memory as the original -- so consumers can trade down without a significant drop in quality. Conversely, economies of scale also allow makers of high-end products to reduce prices without skimping on quality. A top-of-the-line iPod now features video and four times as much storage as it did six years ago, but costs a hundred and fifty dollars less. At the same time, the global market has become so huge that you can occupy a high-end niche and still sell a lot of units. Apple has just 2.2 per cent of the world cell-phone market, but that means it sold 25 million iPhones last year."
jamessurowiecky
economics
statistics
business
brands
ipad
ikea
apple
branding
globalization
marketing
markets
midrange
value
premium
march 2010 by robertogreco
Mesofacts: slowly changing facts - Blog
march 2010 by robertogreco
"When people think of knowledge, they generally think of two sorts of facts: facts that don't change, like the height of Mount Everest or the capital of the United States, or facts that change a lot, like the weather or the stock market close. But in between there is a third timescale, with its separate category of facts: facts that change slowly, or mesofacts. This middle, or meso-, scale, of facts are the most interesting and yet the most slippery with which to be acquainted. These change over the course of a single lifetime but we tend to nonetheless view them as constant."
blogs
mesofacts
data
history
information
time
trends
statistics
graphs
visualization
charts
march 2010 by robertogreco
10 Facts on US Health Care « rtstrategy
march 2010 by robertogreco
"1. US is only industrialized nation not to have Universal Health Care 2. Three “third-world” countries currently implementing Universal Health Care: India, South Africa, Mexico 3. Approx 45.7 million US residents have no health insurance = population of Texas, Florida, Oklahoma combined 4. US DOES provide Universal Health Care in three states: Mass, Iraq, Afghanistan 5. World Health Organization ranks US health care system as worlds highest in cost per person 6. WHO ranks US health care system as worlds 2nd most expensive in terms of proportion of income spent on health care per person (#1 = East Timor, population 1.1 million, recovering from war of independence) 7. WHO ranks US health care system as 37th in overall performance 8. WHO ranks US as 72nd in overall level of health 9. 2009 Harvard study found 44,800 excess deaths annually in US due to Americans lacking health insurance 10. Over 62% of US personal bankruptcies are attributed, at least in part, to health care costs"
us
healthcare
health
comparison
policy
universalhealthcare
world
statistics
march 2010 by robertogreco
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