Archive for April, 2017

Do tooltips reduce the need for precision in graphs?

Tuesday, April 18th, 2017

This blog entry was written by Nick Desbarats of Perceptual Edge. Should you include grid lines in your graph? If so, how many? Is it O.K. to add another variable to your graph by encoding it using size (for example, by varying the size of points in a scatterplot) or color intensity (for example, by […]

Prove It, If You Can

Monday, April 10th, 2017

Despite the popular notion that we live in the Information Age, most organizations still base most of their decisions on gut instinct rather than information (i.e., evidence of what’s actually happening and what actually works). Intuition, based on true, hard-won expertise, has a role in organizational decision making, but many decisions, especially the most important […]

Confusion about Line Graphs

Wednesday, April 5th, 2017

You might consider the way a humble and common line graph works to be obvious. If you learned to use them in the workplace, chances are that you think of line graphs as a conventional means to display one or more sets of time-series values. This is the graphical use of lines that typically bears […]