Draws a row-by-column missingness heatmap: each cell shows whether the entry is observed (grey) or missing (red). Rows keep their original order so the plot stays aligned with the data.
Arguments
- data
A data frame.
- .cols
<
tidy-select> Columns to display.
Examples
d = data.frame(x = c(1, NA, 3, 4), y = c(NA, 2, NA, 5))
plot_na_heatmap(d)
#> Warning: No shared levels found between `names(values)` of the manual scale and the
#> data's fill values.
