Bar and Column Charts: Ideal for comparing the frequency, count, or volume of different categories. Use vertical columns for time-based data and horizontal bars for comparing different categories.

Researcher Invents New Graphing Method: 'Diamond Graph' Corrects Long-standing Errors Of 3-D Bar Graphs Date: August 13, 2003 Source: Johns Hopkins University Bloomberg School Of Public Health ...

If you’re a biomedical researcher and you’re using bar graphs for continuous data, Tracey L. Weissgerber has one word for you: “Stop.” Weissgerber, a physiologist at Mayo Clinic, is on a ...