Log-in to bookmark & organize content - it's free! Using examples, journalist Alberto Cairo talked about ways that data, charts and visualization are represented and interpreted. He discussed ...

If you’ve ever sat through a PowerPoint presentation or read a quarterly report, you’ve probably been bored by a chart or graph. Chances are, it was blue, red, and yellow on a gray, lined background.

A once-valued skill has fallen by the wayside -- but our kids will need it even more than we do. You probably have a pretty good idea how well your teenager can write, how good her reading ...

Graphs are pictorial representations of numbers. Therefore, at the least, we should expect that the representation of the numbers be proportional to the numbers themselves. Unfortunately, this is not ...