Transforming Empty Strings and White Spaces to Explicit NAs while Preserving Label
Usage
h_as_factor(x, na_level = "<Missing>")
Arguments
- x
(vector) input to be turned into factor with explicit missing level.
- na_level
(character) the label to encode missing levels.
Value
factor with explicit NA and the same label as the input.
Details
This function preserves the label attribute.
Examples
char1 <- c(" ", " ", "a", "b", "", "", NA)
attr(char1, "label") <- "my_label"
h_as_factor(char1)
#> [1] <Missing> <Missing> a b <Missing> <Missing> <Missing>
#> attr(,"label")
#> [1] my_label
#> Levels: a b <Missing>