Down with bar graphs


Some folks really hate pie charts, but I think for some purposes, they can communicate precisely the information we want them to. But, on the other hand, who’s our real enemy? Bar graphs.

Introducing Exhibit A (which is Figure 1 from Weissgerber et al.):


Bar graphs tell us the mean, and some kind of measure of variance (standard deviation? standard error? confidence interval?). And that’s it. Continue reading