Remove columns from a cohort object
Deletes one or more columns and also deletes their description. If the cohort object is a data.table, it is updated by reference, if a flat file data frame the modified object is returned.
a character vector of the column names to delete
Returns the modified ffdf or data.table, invisibly.
1 2 3 4 5
Want to suggest features or report bugs for rdrr.io? Use the GitHub issue tracker.