Barchart or Dotchart?

September 7, 2010

(This article was first published on Revolutions, and kindly contributed to R-bloggers)

Which of the following two charts (both created with R) to you prefer? This dotchart:

Or this bar chart?

Andrew Gelman (who, incidentally, is speaking at the October NYC UseR meetingprefers the dotchart prefers a line plot (update: see Gelman's comment, below), but personally I think the bar chart is more easily interpreted. What do you think? You can join the discussion at Decision Science News at the link below.

Update Sep 8: Prof. Gelman responds, with a detailed record leading to the correction above.

Decision Science News: Which chart is better?

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