The Pie-Doughnut Combination: A Fan Plot
Happy to be back after a pretty busy beginning to the new year. I had this completed almost immediately following the preceding post, but was otherwise hard pressed to find a suitable time to post it.
Soon after writing the Florence Nightingale Circumplex Chart post, I started searching for more varieties of charts that can be created using combinations of Pie-Doughnut charts. Soon enough, I found one through Naomi B. Robbins' comment in a Jorge Camoes' post.
The referenced PDF article attempts to use Fan Plot to display relative quantities and differences using the R statistical language as is shown in the image below.
Impassive to its benefits and/or disadvantages, I created it in Excel.