A reader need go no further than page two of Leland Wilkinson’s The Grammar of Graphics before reading, “We will also come to realize why a histogram is not a bar chart and why many other ...

“Imagine a pie chart that shows Visuals at 42 percent, Numbers at 36 percent, Stupid Jokes at 15 percent and Random Complaints at 7 percent. Now let’s convert that to a bar chart.” ...

This KS2 Maths article explains how to read and interpret bar charts. ... Look at this bar chart. Can you see that Omi read 5 more books than Sally during the summer holiday? Back to top.

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.

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 ...

Learn about bar charts with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Swing charts, in their most basic form, are composed of price bars, which represent price behavior during a given time. Here is a simple bar chart we will reference throughout this article ...

You're looking at a bar chart race showing which cities had the largest populations at any time over history. We're going to start the race at 1500 A.D. In the early 1500s most people lived in the ...