EXAMPLE 17 Custom Calendar Chart
Purpose: The focus of this example is a little different from most of the others. While in the other examples I am mainly trying to teach you the graphical techniques so that you can modify the techniques and create your own similar but unique graphics, in this example I am mainly demonstrating how to re-use this calendar chart with your own data.
I got the idea for this graph from Michael Friendly’s Gallery of Data Visualization Web site, specifically the page.1 Below is a portion of the chart, showing four of the ten years of data.
For those of you reading this online on a color display, you can see the color in this version from Friendly’s Web site:
The graph also appeared in “Tracking Air ...