Set an Empty Label if None Exists

This function sets an empty "label" attribute for a vector if it does not already have one.

set_empty_label(x)

Arguments

x

A vector to be checked and potentially assigned an empty "label" attribute.

Value

The vector with an empty "label" attribute if it did not already have one.

Examples

if (FALSE) { # \dontrun{
  # Example usage:
  vec <- c("A", "B", "C")
  vec <- set_empty_label(vec)
  print(attr(vec, "label"))  # Returns ""
} # }