Missing values are generally represented by NA in a data frame. Here, we will describe how to visualize missing data in R using an interactive heatmap.
Contents:
Prerequisites
Install the heatmaply R package: install.packages("heatmaply").
Show missing values in R
library(heatmaply)
heatmaply_na(
airquality[1:30, ],
showticklabels = c(TRUE, FALSE)
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