This post recommends using Trellis plots instead of 3D bar charts for three-dimensional (three variable) data. In Winner of the Bad Graph Contest Announced, I promised to present alternatives to ...

Although there are similarities in their appearance, histograms and bar charts are not the same. This post explains some of their differences and why there should not be spaces between the bars of ...

Bar charts encode quantities by length, which is a highly accurate visual encoding and preferred over the angle-based strategy used in pie charts (Fig. 1a).

Bar charts are ubiquitous in the life-science literature, yet a study suggests that they’re often used in ways that can misrepresent research findings. The preprint 1, which was first posted on ...