Archive for November 2014


Four Experiments on the Perception of Bar Charts

November 13th, 2014 — 10:30am

At this year’s InfoVis, I published a paper with two of my Tableau Research colleagues, Vidya Setlur and Anushka Anand. This paper explores how people make perceptual comparisons in a bar charts building on a previous study by Cleveland and McGill.

The paper itself is available: Four Experiments on the Perception of Bar Charts. And here are all the stimuli, data, and analyses.

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Riposte Update

November 13th, 2014 — 10:23am

Some of our continued work on Riposte, a fast runtime for the R language, was published at ARRAY 2014, a workshop collocated with PLDI. This paper focuses on our efforts to increase the performance of short vector code. The paper is here: Just-in-time Length Specialization of Dynamic Vector Code

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