remove_undesired: Remove undesired columns from a data table
| remove_undesired | R Documentation |
Remove undesired columns from a data table
Description
Remove undesired columns from a data table
Usage
remove_undesired(df, undesired_cols)
Arguments
df |
a data table from which to remove columns |
undesired_cols |
a character vector of column names identifying columns to be removed |
Details
This function modifies by reference.
Value
a data table
Examples
x <- data.table::data.table(a = c(1,2,3), b = c(1,2,3), c = c(1,2,3))
orignames <- names(x)
undesired_cols <- c("a","b", "d")
nsqipr:::remove_undesired(x, undesired_cols)
identical(names(x), setdiff(orignames, undesired_cols))
