Set all values within one or multiple variables to NA
.
Arguments
- GADSdat
A
GADSdat
object.- vars
Character vector of variable names which should be set to
NA
.- label_suffix
Suffix added to variable labels for the affected variables in the
GADSdat
.
Examples
# empty multiple variables
pisa2 <- emptyTheseVariables(pisa, vars = c("idstud", "idschool"))