Extract levels from a set of variable names
Usage
get_levels(data, varnames = names(data), keep_labels = FALSE)
Arguments
- data
a data.frame
- varnames
a character specifying which columns of data to analyze
- keep_labels
logical whether to preserve variable labels from data in output
Value
a list of character vectors containing the levels of the columns in data specified by varnames
Examples
get_levels(iris, "Species")
#> $Species
#> [1] "setosa" "versicolor" "virginica"
#>