Creating a pie chart in R with ggplot2 using microbiome data ... and why you shouldn't (CC104)

Pie charts are very popular data visualization tools with the lay public and scientists for representing fractions of a whole. In this Code Club, Pat will show how to create a pie chart in R using ggplot2. He'll also point out why a pie chart is rarely (ever?) the appropriate tool for the job. Regardless, if you're forced to use a pie chart, he'll show how you can use the ggplot R package to make the most of the medium. Pat will use RStudio and the #coord_polar and #facet_wrap from the #ggplot2 package. The accompanying blog post can be found at https://www.riffomonas.org/code_club/2021-05-14-pie-chart. Do you have a figure that you would like to receive a critique or help improving? Let me know and I'd be happy to arrange a guest appearance! If you're interested in taking an upcoming 3 day R workshop, email me at [email protected]! R: https://r-project.org RStudio: https://rstudio.com Raw data: https://github.com/riffomonas/raw_data/releases/latest Workshops: https://www.mothur.org/wiki/workshops You can also find complete tutorials for learning R with the tidyverse using... Microbial ecology data: https://www.riffomonas.org/minimalR/ General data: https://www.riffomonas.org/generalR/ 0:00 Introduction 4:33 Critique of pie charts 9:15 Recreating stacked barcharts 10:22 Creating concentric pie charts / donut plots 17:19 Creating faceted pie charts 24:13 Recap