Bar charts represent data using length. This means that if the bars don’t begin at zero, comparisons between bar lengths will distort the data — and a reader’s comprehension of the numbers.

However, each visualization type is intended to show different types of data in specific ways to best represent its insight. Let’s look at five of the most common visualization types to help you ...

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 ...