Vaguery + visualization   149

Visualization series: Insight from Cleveland and Tufte on plotting numeric data by groups | Solomon Messing
"A good visualization conveys key information to those who may have trouble interpreting numbers and/or statistics, which can make your findings accessible to a wider audience (more on this below).  Visualizations also give your audience a break from lexical processing, which is especially useful when you are presenting your findings–people can listen to you and process the findings from a well-designed visual at the same time, but most people have trouble listening while reading your PowerPoint bullet points.  Visualizations also convey key information embedded in massive amounts of data, which can aid your own exploratory analysis of data, no matter how massive."
visualization  data-analysis  communication  graphic-design  argumentation  statistics  ggplot2 
11 weeks ago by Vaguery
[1107.0385] An algorithm for autonomously plotting solution sets in the presence of turning points
"Plotting solution sets for particular equations may be complicated by the existence of turning points. Here we describe an algorithm which not only overcomes such problematic points, but does so in the most general of settings. Applications of the algorithm are highlighted through two examples: the first provides verification, while the second demonstrates a non-trivial application. The latter is followed by a thorough run-time analysis. While both examples deal with bivariate equations, it is discussed how the algorithm may be generalized for space curves in $R^{3}$."
visualization  mathematics  graphics  approximation  algorithms  nudge-targets 
october 2011 by Vaguery
Nelson's Weblog: culture / fisk-mississippi-slippy-map
"The map is truly a beautiful bit of geologic history. For more info on it, see my previous blog post. So many amazing swirls and details in the river's course. Rendering it as a slippy map makes it easy to see the map in great detail, for instance the Old River Control Structure, a site threatened by the floodwaters of 2011. (Interestingly, the modern channel was built on relatively dry land.) The opacity slider (or text box) in the upper right lets you look through the Fisk map to a contemporary Google map. Check out this flood plain, for example. The satellite view contains echoes of the various old meanders, too, like these curved fields."
map-hacks  visualization  mashup  tile-the-world  nanohistory  annotation 
may 2011 by Vaguery
Friday fun projects | (R news & tutorials)
At some point, I’ll turn to my favourite web application combo: Sinatra + MongoDB + Highcharts, to visualize these data dynamically on a web page. For now though, we can get a quick idea and create even more Friday fun by learning how to use RApache to run and view R code in the browser.
Ruby  R-language  visualization  statistics  programming  learning-by-doing 
may 2011 by Vaguery
Smoothie Charts
"Smoothie Charts is a really small chartling library designed for live streaming data. I built it to reduce the headaches I was getting from watching charts jerkily updating every second. What you're looking up now is pretty much all it does. If you like that, then read on."
visualization  javascript  library  real-data  software-development  lovely 
august 2010 by Vaguery
Unveil.js is a data exploration and visualization toolkit that utilizes data-driven software design. : RubyFlow
"It features generic data abstraction through Collections, a Visualization API allowing the creation of pluggable visualizations, and a Scene Graph implementation on top of HTML 5 Canvas. See the GitHub project, the documentation, and an example."
visualization  javascript  library  exploratory-data-analysis  data-driven  nudge 
july 2010 by Vaguery
[1007.2958] A Machine Learning Approach to Recovery of Scene Geometry from Images
"Recovering the 3D structure of the scene from images yields useful information for tasks such as shape and scene recognition, object detection, or motion planning and object grasping in robotics. In this thesis, we introduce a general machine learning approach called unsupervised CRF learning based on maximizing the conditional likelihood. We apply our approach to computer vision systems that recover the 3-D scene geometry from images. We focus on recovering 3D geometry from single images, stereo pairs and video sequences. Building these systems requires algorithms for doing inference as well as learning the parameters of conditional Markov random fields (MRF). Our system is trained unsupervisedly without using ground-truth labeled data.…"
visualization  image-processing  algorithms  machine-learning  robotics  nudge-targets 
july 2010 by Vaguery
[1006.4608] Evolving Graph Representation and Visualization
"The study of evolution of networks has received increased interest with the recent discovery that many real-world networks possess many things in common, in particular the manner of evolution of such networks. By adding a dimension of time to graph analysis, evolving graphs present opportunities and challenges to extract valuable information. This paper introduces the Evolving Graph Markup Language (EGML), an XML application for representing evolving graphs and related results. Along with EGML, a software tool is provided for the study of evolving graphs. New evolving graph drawing techniques based on the force-directed graph layout algorithm are also explored. Our evolving graph techniques reduce vertex movements between graph instances, so that an evolving graph can be viewed with smooth transitions"
network-theory  graph-theory  visualization  exploratory-data-analysis  animation  dynamics  dynamical-systems  complexology 
july 2010 by Vaguery
[1007.0221] Regular Labelings and Geometric Structures
"We have described three types of geometric object that have natural encodings as regular labelings of a maximal or near-maximal planar graph. Although much about these labelings is known, there are still many questions remaining:…"
nudge-targets  geometry  computational-geometry  visualization  algorithms  group-theory 
july 2010 by Vaguery
[0907.5236] A Discussion on Mean Excess Plots
"A widely used tool in the study of risk, insurance and extreme values is the mean excess plot. One use is for validating a generalized Pareto model for the excess distribution. This paper investigates some theoretical and practical aspects of the use of the mean excess plot."
modeling  statistics  visualization  review  operations-research  extreme-values 
june 2010 by Vaguery
A Protovis Primer, Part 1 | eagereyes
"This introduction is based on my experiences with using Protovis in my Visualization and Visual Communication class earlier this spring. While the concepts involved are really not that difficult, they are rather foreign to students who have not been exposed to functional programming. And since that is also the case for a lot of hobbyists and people wanting to do visualization who do not have a computer science background, I imagine they run into the same problems."
visualization  tutorial  javascript  protovis  nudge  charts  software-development  libraries 
june 2010 by Vaguery
Protovis 3.2 released – more examples and layouts
"The most recent version of Protovis, the open-source visualization library that uses JavaScript and SVG, was just released not too long ago - this time with more layout and examples. This is especially helpful since Protovis was "designed to be learned by example." Among the new stuff is the ever popular streamgraphs, along with the force-directed layout. With only 10 to 20 lines of code, you'll have your viz, so lots of bang for the buck."
graphs  visualization  data-analysis  javascript  library  protovis  nudge 
june 2010 by Vaguery
The Monkey Cage: Visualizing World Peace
"As many of you likely know, the World Bank has opened up its World Development Indicators Data for everyone to play with. Matthew Russell has thrown together a nice simple tool to generate visualizations of the data. Fun stuff."
public-policy  datasets  visualization  world-bank  sociology  metrics 
may 2010 by Vaguery
gource - Project Hosting on Google Code
"Software projects are displayed by Gource as an animated tree with the root directory of the project at its centre. Directories appear as branches with files as leaves. Developers can be seen working on the tree at the times they contributed to the project."
software-development  project-management  open-source  visualization  want 
may 2010 by Vaguery
Lee Byron » Else » Stream Graph Paper
"In February 2008, the New York Times published an unusual chart of box office revenues for 7500 movies over 21 years. The chart was based on a similar visualization, developed by the first author, that displayed trends in music listening. This paper describes the design decisions and algorithms behind these graphics, and discusses the reaction on the Web. We suggest that this type of complex layered graph is effective for displaying large data sets to a mass audience. We provide a mathematical analysis of how this layered graph relates to traditional stacked graphs and to techniques such as ThemeRiver, showing how each method is optimizing a different “energy function”. Finally, we discuss techniques for coloring and ordering the layers of such graphs. Throughout the paper, we emphasize the interplay between considerations of aesthetics and legibility."
visualization  dataviz  data-analysis  time-series  learning-from-data  answer-factory 
may 2010 by Vaguery
Streamgraph code ported to JavaScript
"Lee Byron open-sourced his streamgraph code in Processing about a month ago. Jason Sundram has taken that and ported it to JavaScript, using Processing.js.
The algorithms are the same as that in the original, but of course the natural benefit is that people don't need Java to run it their browsers. Jason has also added a few features including dynamic sizing, more straightforward settings, and some interaction with zoom and hover control. Really nice work."
visualization  graphic-design  processing.js  library  graphing  data-analysis  dataviz 
may 2010 by Vaguery
Tax brackets over the past century
"Through most of the century, brackets were much closer to a continuous scale. There was a big shift in thought though in the 1980s, when Ronald Reagan was elected president. The brackets became much more distinct. The idea has more or less stuck over the past two decades."
taxes  visualization  public-policy  transparency  graphics 
april 2010 by Vaguery
Mapping GitHub – a network of collaborative coders | FlowingData
"GitHub is a large community where coders can collaborate on software development projects. People check code in and out, make edits, etc. Franck Cuny maps this community (with Gephi), based on information in thousands of user profiles.
The above is a map colored and sorted by the main language of each person (PHP, Python, Perl, Javascript, or Ruby)."
GitHub  social-networks  community  software-development  visualization 
april 2010 by Vaguery
How to: make a scatterplot with a smooth fitted line | FlowingData
"Oftentimes, you'll want to fit a line to a bunch of data points to make it easier to spot patterns or relationships. It might be observations over time or it might be two variables that are possibly related. In either case, a scatter plot just might not be enough to see anything useful. This tutorial will show you how to graph a fitted line, or loess curve, to such a scatter plot."
tutorial  visualization  graphs  R  statistics  how-to 
march 2010 by Vaguery
"Nature By Numbers" Explains The Math In Nature - Beautifully - Math - io9
"Created by Cristóbal Vila, this video manages to explain how everything, from snails to flowers, is built according to predictable mathematical principles. Numbers have never been more sublime."
biology  mathematics  golden-ratio  developmental-biology  visualization 
march 2010 by Vaguery
UDN - Three - PhysXReference
"The "Breakable Actor" class is a convenience feature that allows you to spawn particle effects when an object gets destroyed without setting up complex kismet sequences."
via:thetrek  physics  simulation  visualization  programming  library  game-physics 
march 2010 by Vaguery
Growing Gap Between Government and Private Sector Benefits -- Seeking Alpha
"Yowza! Somewhere in 2004, the world changed, and we didn’t realize it. Employers in the private sector put a lid on the cost of benefits (which includes healthcare, retirement, vacation, and supplemental pay of all sorts). Meanwhile the cost of benefits in state and local govt jobs just kept rising, with barely any break, both before and after the financial bust. This is not good."
financial-crisis  economics  benefits  classes  visualization  government  public-policy  capitalism 
march 2010 by Vaguery
cocoaNEC
"cocoaNEC 2.0 is a Mac OS X application intended primarily for the design and modeling of antennas.

cocoaNEC 2.0 is a Universal Binary Cocoa based application. It runs natively on both Intel based and PowerPC based Macintosh computers that use Mac OS X 10.4 (Tiger) or newer.

The application is free and it can be downloaded from the Download tab button at the top of this page.

Online tutorials, reference manuals and example files for the application are available through the User's Manual tab button. The What's New page lists features that have changed since the previously released version of cocoaNEC 2.0. "
engineering-design  simulation  radio  visualization  Nudge 
march 2010 by Vaguery
MapTiler - Map Tile Cutter. Overlay Generator for Google Maps, Google Earth (KML SuperOverlay).
"MapTiler is graphical application for online map publishing. Your map can create overlay of standard maps like Google Maps, Yahoo Maps, Microsoft VirtualEarth or OpenStreetMap and can be also visualized in 3D form by Google Earth. Only thing you have to do for publishing the map is to upload the automatically generated directory with tiles into your webserver."
via:mahatm  API  maps  Google-maps  tiling  visualization  tool  generator  open-source 
march 2010 by Vaguery
Raphaël—JavaScript Library
"Raphaël is a small JavaScript library that should simplify your work with vector graphics on the web. If you want to create your own specific chart or image crop and rotate widget, for example, you can achieve it simply and easily with this library.
Raphaël uses the SVG W3C Recommendation and VML as a base for creating graphics. This means every graphical object you create is also a DOM object, so you can attach JavaScript event handlers or modify them later. Raphaël’s goal is to provide an adapter that will make drawing vector art compatible cross-browser and easy.
Raphaël currently supports Firefox 3.0+, Safari 3.0+, Opera 9.5+ and Internet Explorer 6.0+.
For more examples take a look at charting plugin: gRaphaël"
javascript  visualization  SVG  not-Flash  software-development  library  graphics 
march 2010 by Vaguery
The Geomblog: Choosing the number of clusters I: The Elbow Method
"How do we choose k, the number of clusters ?
This topic is so annoying, that I'm going to devote more than one post to it. While choosing k has been the excuse for some of the most violent hacks in clustering, there are at least a few principled directions, and there's a lot of room for further development."
clustering  statistics  tacit-knowledge  visualization  exploratory-data-analysis  contingency-of-all-models 
march 2010 by Vaguery
Calculated Risk: Graphs: Duration of Unemployment
"What really makes the current period stand out is the number of people (and percent) that have been unemployed for 27 weeks or more. In the early '80s, the 27 weeks or more unemployed peaked at 2.9 million or 2.6% of the civilian labor force.

In January, there were 6.3 million people unemployed for 27 weeks or more, or 4.1% of the labor force. The number declined slightly in February, but this is much higher than earlier periods."
unemployment  financial-crisis  visualization  public-policy  government  transformation 
march 2010 by Vaguery
floatingsheep: The Beer Belly of America
"At FloatingSheep, we're willing to search for and analyze almost anything that falls within the realm of human experience. Sometimes this is mundane (pizza) and sometimes it is contentious (abortion) but most of the time it falls somewhere in between. Such as, where can I get a drink?"
statistics  visualization  map  geography  American-culture  restaurants  bars  it's-the-great-plains-in-winter-you-decide 
march 2010 by Vaguery
News — PyMVPA Home
"PyMVPA is a Python module intended to ease pattern classification analyses of large datasets. In the neuroimaging contexts such analysis techniques are also known as decoding or MVPA analysis. PyMVPA provides high-level abstraction of typical processing steps and a number of implementations of some popular algorithms. While it is not limited to the neuroimaging domain, it is eminently suited for such datasets. PyMVPA is truly free software (in every respect) and additionally requires nothing but free-software to run."
data-analysis  Python  machine-learning  open-source  free  visualization  statistics  exploratory-data-analysis 
march 2010 by Vaguery
Calculated Risk: Five Million Workers to Exhaust Unemployment Benefits by June
"The blue line is the number of workers unemployed for 27 weeks or more. The red line is the same data as a percent of the civilian workforce.

According to the BLS, there are a record 6.31 million workers who have been unemployed for more than 26 weeks (and still want a job). This is a record 4.1% of the civilian workforce. (note: records started in 1948)."
employment  unemployment  financial-crisis  visualization  economics  public-policy  great-employment-shift  not-an-employee 
february 2010 by Vaguery
PeteSearch: How to split up the US
"Stretching from New York to Minnesota, this belt's defining feature is how near most people are to their friends, implying they don't move far. In most cases outside the largest cities, the most common connections are with immediately neighboring cities, and even New York only has one really long-range link in its top 10. Apart from Los Angeles, all of its strong ties are comparatively local."
social-networks  cultural-norms  sociology  American-cultural-assumptions  Facebook  geography  network-culture  visualization  GIS 
february 2010 by Vaguery
Seeing a Twitter #Hashtag Spread « Giladon-line
"Every user who participated in the meme is represented by a gray circle (Matt, whom first started the meme, is shown in yellow). Edges represents the person who most likely influenced the other to first participate."
visualization  meme  social-networks  social-dynamics  Twitter  social-media 
january 2010 by Vaguery
Crayola Crayon Colors Multiply Like Rabits | FlowingData
"In 1903, Crayola had eight colors in its standard package. Today, there are 120, along with special packs like Gem Tones and Silver Swhirls. What happened? Above, from Weather Sealed, shows the growing color selection (and a few color retirements) in the standard package from 1903 to now."
color  cultural-norms  collecting  crayons  nanohistory  visualization 
january 2010 by Vaguery
American Exceptionalism Strikes Again | Angry Bear
"Looking at these, you would hope to achieve a low lefthand starting point (low cost), a high righthand point (high longevity), and a thick line (lots of doctor visits.)

The USA line looks like it was drawn by someone who got the instructions backwards -- a very high lefthand starting point (huge cost), a mediocre righthand point (middlin' longevity), and a hairlike line thickness (scanty doctor visits, less than 4 per year.)"
healthcare  public-policy  financial-crisis  reform  visualization  what-really-makes-us-this-stupid? 
december 2009 by Vaguery
28 Rich Data Visualization Tools - InsideRIA
"What makes my job really interesting is that these clients are in different industries and are using different technologies. So we have pulled together a set of 28 tools for creating graphs, Gantt charts, diagrammers, calendars/schedulers, gauges, mapping, pivot tables, OLAP cubes, and sparklines, in Flash, Flex, Ajax or Silverlight."
visualization  web-design  software  libraries  javascript  graphic-design  charts 
december 2009 by Vaguery
Protovis
"Protovis composes custom views of data with simple marks such as bars and dots. Unlike low-level graphics libraries that quickly become tedious for visualization, Protovis defines marks through dynamic properties that encode data, allowing inheritance, scales and layouts to simplify construction.
Protovis is free and open-source, provided under the BSD License. It uses JavaScript and SVG for web-native visualizations; no plugin required (though you will need a modern web browser)! Although programming experience is helpful, Protovis is mostly declarative and designed to be learned by example."
visualization  datavis  design  programming  graphics  opensource  javascript  jQuery  ajax  API  graphing 
december 2009 by Vaguery
Autodesk University coverage from the floor, Part 4: Zebra Imaging's mind-blowing holographic sheets - Core77
"This is the best and most amazing thing we saw at the conference that wasn't directed by James Cameron: Zebra Imaging boldly proclaims that they "produce the most innovative holographic products and technology in the world," and after an in-person demo, you walk away convinced. Words can't describe what you need to see with your eyes, so check it out (demonstrated by Zebra's Michael Klug):..."
want  want-want  design  visualization  holography  CAD  imaging  photography  making 
december 2009 by Vaguery
ggplot. had.co.nz
"ggplot2 is a plotting system for R, based on the grammar of graphics, which tries to take the good parts of base and lattice graphics and none of the bad parts. It takes care of many of the fiddly details that make plotting a hassle (like drawing legends) as well as providing a powerful model of graphics that makes it easy to produce complex multi-layered graphics."
visualization  data-analysis  exploratory-data-analysis  statistics  graphics  graphs  pretty  software  open-source  documentation  ggplot2  R 
november 2009 by Vaguery
BLDGBLOG: Editing the Shadow Volume
"But what if we could do this with a glass tower in midtown Manhattan? Or if there was an elevator moving upward through an all-glass shaft, and as the lights in the lobby around it switch on and off, different—and often wildly unexpected—shadows are cast?"
optimization  design  shadow  architecture  drama  visualization 
november 2009 by Vaguery
Lee Byron » Else » Mesh – A Processing Library
"Mesh is a library for creating Voronoi, Delaunay and Convex Hull diagrams in Processing. After searching online for a Java package for creating Voronoi diagrams and failing to find anything simple enough to fit my needs I decided to make my own as simple as possible. I did find the wonderfully useful QuickHull3D package, which the algorithms for creating these diagrams are based on. These complete in O(n log n) time."
processing  library  computational-methods  computational-geometry  Voronoi  delaunary  graphics  algorithms  visualization  java  geometry 
november 2009 by Vaguery
R Language is optimized, validated and supported by REvolution Computing - Predictive analytics for large data analysis problems
"REvolution Computing offers open source products and services for high performance analytics, including REvolution R Enterprise which delivers 100% R and more—optimized, validated and supported."
R  open-source  business-model  programming  statistics  visualization  mathematics  consulting  standard-setting-play 
november 2009 by Vaguery
About us | Prezi
"Prezi is zooming sketches on a digital napkin.

It's visualization and storytelling without slides. Your ideas live on stage and on the web.

Have you ever wondered about presenting your thoughts as free as they come? Ever got tired of creating a slideshow? It's been said, that the best innovations come from people who are unhappy with the tools they use. We realized that our ideas won't fit into slides anymore. Putting together creative thinking and technology expertise, we have created Prezi, a living presentation tool."
presentation  visualization  graphic-design  resources  powerpoint  online  tools 
october 2009 by Vaguery
T N T — The Network Thinker: Fireside Chat with Ed & Valdis
"First of a series of chats on leading edge ideas in regional economic development with Ed Morrison and Valdis Krebs. "
social-networks  visualization  exploratory-data-analysis  planning  public-policy  economic-development  business-culture 
august 2009 by Vaguery
GraphClick - Graph and Movie Digitizer for Mac OS X - Free Download
"You have the picture of a graph but not the corresponding data? You want to retrieve the trajectory of an object from a QuickTime movie? GraphClick is then simply the best way to solve the problem! You just have to click on the image and the obtained coordinates of the points can be directly exported into any other application."
MacOS  visualization  data  software  tools  graphics  utility  analysis  graphing  extraction 
august 2009 by Vaguery
Rifgraf
"Rifgraf is a fire-and-forget web service for displaying graphs of data collected over time. Post your data points periodically via rest calls. Then view a graph of the data at any time in the future."
via:thetrek  Ruby  REST  visualization  programming  web-applications  graphs 
july 2009 by Vaguery
CTAN: directory: /tex-archive/graphics/dot2tex
"Dot2tex is a tool for converting graphs rendered by Graphviz to formats
that can be used with LaTeX.

The purpose of dot2tex is to give graphs generated by Graphviz a more
LaTeX friendly look and feel. This is accomplished by converting xdot
output from Graphviz to a series of TikZ and PGF, or PSTricks commands.
This approach allows:

* Typesetting labels with LaTeX, allowing mathematical notation.
* Using native PSTricks and PGF/TikZ commands for drawing arrows.
* Using backend specific styles to customize the output"
LaTeX  typesetting  graphs  visualization  networks  TeX  dot  graphviz 
july 2009 by Vaguery
Newton Institute Seminar : Wegman, E, 07/01/2008
"In this presentation, we review some fundamentals of visualization and then proceed to describe methods and combinations of methods useful for visualizing high dimensional data. Some methods include parallel coordinates, smooth interpolations of parallel coordinates, grand tours including wrapping tours, fractal tours, pseudo-grand tours, and pixel tours."
via:cshalizi  visualization  learning-from-data  pattern-discovery  graphics  experimental-design  interactivity 
june 2009 by Vaguery
Bee Docs Timeline - Movie: "What's New in March '09"
"One of the most popular ways for our customers to present their timelines is using Apple's Keynote software that is part of the iWork suite. Previously Bee Docs Timeline would create Keynote slides using still images of your timeline.

Now, you can quickly create full motion slides in Keynote. Each slide shows the 3D transition from one event to the next so that you can present your timeline at your own pace or even layout text and graphics on top of your timeline at appropriate places."
timelines  visualization  software  beedocs  MacOS 
june 2009 by Vaguery
Ezra Klein - Charts and Graphs That Will Finally Make It Clear
"Economists Barry Eichengreen and Kevin H. O’Rourke have updated their series of charts making the case that "today's crisis is at least as bad as the Great Depression." For my money, this is the most persuasive chart:"
financial-crisis  economics  trade  visualization 
june 2009 by Vaguery
Mario Romero
"I am interested in simple but robust computer vision and information visualization techniques that support interactive analysis of human behavior in multi-stream video. My advisor is Dr. Gregory Abowd."
via:jyew  sociology  worklife  patterns  visualization  networks  social-dynamics  video 
may 2009 by Vaguery
Calculated Risk: FDIC Bank Failures: By the Numbers
"The third graph shows the bank failures by total assets and deposits per year in current dollars adjusted with CPI. This data is from the FDIC (1) and starts in 1934.

WaMu accounted for a vast majority of the assets and deposits of failed banks in 2008, and it is important to remember that WaMu was closed by the FDIC, and sold to JPMorgan Chase Bank, at no cost to the Deposit Insurance Fund (DIF)."
financial-crisis  banks  FDIC  economics  visualization  graphs 
may 2009 by Vaguery
The Inner Workings of the Naga at Street Anatomy
"Mishu Warner’s anatomy of a Naga, which are serp[e]nt dieties in Buddhist and Hindu Mythology. The main image is the female Naga, or Nagini, but Mishu included the alternate tail, just in case you wanted to know what a Naga’s testicles might look like."
illustration  anatomy  visualization  art  alternate-history  techniques 
may 2009 by Vaguery
Infochimps.org: Free Redistributable Data Sets of Every Kind
"There are many sources to find out something about everything. Until now, there’s been no good place for you to find out everything about something.
The infochimps.org community is assembling and interconnecting the world's best repository for raw data -- a sort of giant free allmanac, with tables on everything you can put in a table. Built by data nerds, used by data nerds, it's a central source for the information you need to power the projects the world needs. (learn more: help|faq)"
data  data-analysis  openness  open-science  public-domain  information  visualization  archive  database  free  raw-data-now 
april 2009 by Vaguery
Computational Legal Studies
Excellent visualizations of legal and government datasets, with analytical discussion
via:paulbhartzog  visualization  law  government  transparency  raw-data-now 
april 2009 by Vaguery
Visualization Lab | Voyagers and Voyeurs: Supporting Asynchronous Collaborative Information Visualization
"This paper describes mechanisms for asynchronous collaboration in the context of information visualization, recasting visualizations as not just analytic tools, but social spaces. We contribute the design and implementation of sense.us, a web site supporting asynchronous collaboration across a variety of visualization types. The site supports view sharing, discussion, graphical annotation, and social navigation and includes novel interaction elements. We report the results of user studies of the system, observing emergent patterns of social data analysis, including cycles of observation and hypothesis, and the complementary roles of social navigation and data-driven exploration."
to-read  design  collaboration  web2.0  visualization  statistics  crowdsourcing  papers  annotation 
march 2009 by Vaguery
Calculated Risk: February Economic Summary in Graphs
Scroll all the way through, and look at every one.

For example:

"New Home Months of Supply

The months of supply is at an all time record 13.3 months in January."
economics  data  visualization  financial-crisis  depression  graphs  performance  markets  economy  charts  recession 
march 2009 by Vaguery
RubyWithRlang - SciRuby
"I've been playing with R and SWIG, and I think I'm almost to the point where I can call R from Ruby using a SWIG-wrapped R shared library. It took me most of a weekend to figure out the header files, but I got the simple subset of R (Rmath.so) talking to "irb" yesterday. The compilation part of the interface to the full "libR.so" appears to be working, but I (or some volunteer) needs to translate the tests that come with the R distribution from C to Ruby to check this out."
R  Ruby  programming  visualization  library  statistics  RoR  scripting 
february 2009 by Vaguery
A Well, With Two Buckets - Man, if ever there were a discipline that needed...
"Man, if ever there were a discipline that needed to sit down and spend some time thinking through their fundamental data- and process-visualizations, it is economics. Lordhavemercy."
economics  visualization  explanation  summary-judgement 
january 2009 by Vaguery
OSM 2008: A Year of Edits on Vimeo
[Insert triumphalist Collaborationist pronouncement that I will someday be forced to make sheepish fun of here]

This is more cool than I expected anything to be in 2008.
via:ajturner  collaboration  visualization  future  openness  OSM  Open-Street-Map  crowdsourcing  disintermediation  geography  openstreetmap 
january 2009 by Vaguery
MarketSci Blog
"Timer Seeds is a small group of timing-industry professionals (either strategy developers like me or sales/marketing) with an idea that goes something like this:

No matter how good we are at developing strategies and managing money, there are unsung developers out there, laboring away in their basements, that are even better. But because they lack either the ability or the time, their strategies never ever leave that basement. They never make the transition to becoming a professional strategy developer.

And based on that vision, we launched Timer Seeds. We find developers, take the required steps to make their programs marketable, and then place their programs with investors, financial advisors, hedge funds, and other industry professionals. The developer receives a percentage of assets under management, something that can become very lucrative for very good programs."
Nudge  trading  technical-analysis  market-timing  markets  modeling  visualization  model-discovery  data-driven 
december 2008 by Vaguery
Calculated Risk: LA Ports in October: Export Traffic Below 2007
"But even more concerning for the U.S. is that export traffic is declining. For the LA area ports, outbound traffic fell off a cliff in September, and was even lower in October. Outbound traffic was about 8% below the level of October 2007.

The key supports for the economy earlier this year - consumer spending, exports, and investment in non-residential structures - are all declining sharply now."
financial-crisis  economic-crisis  business  economy  macroeconomics  trade  bad  visualization 
november 2008 by Vaguery
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