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Baby faces and Chernoff faces
I’ve been spending a lot of time looking at faces lately. Baby faces, to be specific. Baby faces are just wonderful, especially my baby, if I do say so myself. In fact, that adorable baby, said face,...
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DataViz in Python: Chernoff Faces with Matplotlib
As promised previously, here is my effort towards drawing Chernoff faces as cute as they were in the original paper. Isn’t that just the cutest? Code here. My replication was greatly aided by a graphic...
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Baby Faces II
I knew I read something about baby faces recently, and now I found it. It was in a Malcolm Gladwell book. This guy should be my inspiration.
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Same Chernoff
I’ve been reading up on the Chernoff face for data visualization, which, as I’ve mentioned, is so cute. This helped me demonstrate that I haven’t forgotten everything from my grad school days, like a...
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D3js axes are going to be hard to teach
I’m worried about this part, it is going to hurt my students. It is very powerful, though, and doing it from scratch would hurt worse: https://github.com/mbostock/d3/wiki/SVG-Axes Scott Murray’s...
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Brushing handler, a recent development (?)
Just in time for inclusion in some lucky students project, a way to do brushing interactions: http://bl.ocks.org/mbostock/1667367
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The key to interaction in D3js
The key may be hidden in the API reference for selection.on: https://github.com/mbostock/d3/wiki/Selections#wiki-on
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Javascript style?
Javascript style guidelines seem less definitive than PEP-8. Is this a good reference: http://google-styleguide.googlecode.com/svn/trunk/javascriptguide.xml#JavaScript_Style_Rules?
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Animations and transitions in D3js
Seeing data transition can be amazing, can be distracting. Making it work can be confusing. Here are some hints: http://www.jeromecukier.net/blog/2012/07/16/animations-and-transitions/
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Force-directed graph with clusters in D3js
Stack Overflow comes through with a cool solution: http://stackoverflow.com/questions/10731008/d3-js-how-to-create-force-directed-graph-clusters http://bl.ocks.org/donaldh/2918073...
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D3js speed
I sometimes wish transitions in a data viz went more smoothly. Maybe this frame-per-second calculator can help with optimization: http://bl.ocks.org/mbostock/2647924
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Global Data Viz in translation
IHME has recently worked with the World Bank to release a series of regional reports on relevant findings from the Global Burden of Disease 2010 Study. It is cool to see this work getting disseminated,...
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GeoJSON for Norway Counties
This may come in handy: http://gangerolf.blogspot.com/2012/09/norway-in-geojson.html I know I have seen a nice one for USA somewhere as well.
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Will I attend a MOOC?
The author of one of the best books on data visualization is giving a massively open online course (MOOC) this fall. I’m going to check it out. You may be interested, too....
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Matplotlib and dj3s, together at last
There is an exciting new project in pythonic interactive data visualization that I have my eye on: mpld3. It plays well with matplotlib-based pretty plotting packages, and has the beginnings of a...
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Stylish tooltips in mpld3
I have added some stylish HTML tooltips to mpld3, make something pretty with them. Demonstration here.
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IDV in Python: Interactive heatmap with Pandas and mpld3
I’ve been having a good time following the development of the mpld3 package, and I think it has a lot of potential for making interactive data visualization part of my regular workflow instead of that...
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IDV in Python: adding text callouts to a scatter plot interactively with mpld3
I’ve been pretty interested in the potential of interactive data visualization recently, especially ever since I saw the reaction that the Global Burden of Disease 2010 visualization tool, GBD Compare,...
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SciPy2014 Plotting Contest
I helped judge a plotting contest for the Scientific Python conference last summer. Who won? I don’t know, and a short web searching binge didn’t find out. A lovely plot took 3rd place, and every entry...
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