A Venn diagram (also sometimes also called primary diagram or set diagram) is a diagram that depicts all possible logical relations between a collection of sets. Certain subjects, such as omitted variable bias, can be best be explained by using a Venn diagram. This post shows how to construct a Venn diagram in R.
The following code produces the Venn diagram used in the post explaining the omitted variable bias.
# start with an empty workspace rm(list = ls()) # load EulerR pkg library(eulerr) # create sets fit <- euler(c(Price = 500, Miles = 500, Age= 500, "Price&Miles" = 200, "Price&Age" = 200, "Miles&Age" = 200)) png(filename="venn.png") plot(fit, fill_opacity = 0.3) dev.off()