subset_with_message() makes subset of data.frame that is suitable for
a processing of data.
Usage
subset_with_message(x, rows, columns)
Arguments
- x
data.frame.
- rows
logical, observations to be kept.
- columns
character, variables to be kept.
Value
data.frame of selected observations and variables.
Details
subset_with_message() sends message when:
rows is not logical because it is an obligation for this function.
columns is not a character vector of valid column names, because it is an
obligation for this function.
rows conducts to delete some observations.
