Drop column or columns

Source: R/drop_col.R

Drop column or columns

drop_col(DT, var, checkDT = TRUE)

drop_cols(DT, vars, checkDT = TRUE)

Arguments

DT

A data.table.
var

Quoted column to drop.
checkDT

Should the function check DT is a data.table?
vars

Character vector of columns to drop. Only the intersection is dropped; if any vars are not in names(DT), no warning is emitted.

Value

DT with specified columns removed.

Examples

if (requireNamespace("data.table", quietly = TRUE)) {
  library(data.table)
  DT <- data.table(x = 1, y = 2, z = 3)

  drop_col(DT, "x")
}
#>    y z
#> 1: 2 3