Check Missing Colnames

Checks whether specific colnames are missing from a data frame.

check_missing_colnames(x, colnames, x_name = substitute(x), error = TRUE)

Arguments

x

The data to check.

colnames

A character vector of the column names that must be missing from x.

x_name

A string of the name of the object x.

error

A flag indicating whether to throw an informative error or immediately generate an informative message if the check fails.

Value

An invisible copy of x (if it doesn't throw an error).

See also

check_colnames and check_data

Examples

data <- data.frame(x = 1, y = 2, z = 0)
check_missing_colnames(data, c("y", "x", "a"), error = FALSE)
#> Warning: `check_missing_colnames()` was deprecated in checkr 0.5.1.
#> Please use chk::chk_not_subset(names()) instead.
#> Warning: data must not have columns 'x' and 'y'
check_missing_colnames(data, "a", error = FALSE)
#> Warning: `check_missing_colnames()` was deprecated in checkr 0.5.1.
#> Please use chk::chk_not_subset(names()) instead.