check_names Verify for the required column names in the data object.

check_names(x, y)

Arguments

x

Data object in which the variables names are verified.

y

Variable names to be verified.

Value

Verifyies if column names listed in y are found in the data set x, if not, a message identifies the missing column name and stops.

Details

This function is not case sensitive, but it does not accept different names or spelling.

Author

Reto Schmucki - retoshm@ceh.ac.uk