Load packages library(tidyverse) library(waffle) library(viridis) library(hrbrthemes) What’s a waffle diagram? A waffle diagram is a variant of (stacked) bar plots or pie plots. They do not have great perceptual properties, I’d suspect, but for some purposes they may be adequate. This is best explored by example. This post draws heavily from the introduction of hrbrmstr to his Waffle package. Let’s make up some data and a case for it Assume you would like to explain the differences between some sampling schemes, such as random sampling, stratified sampling, ad-hoc sampling and so …