drop_col: Drop column or columns

Description Usage Arguments Value Examples

View source: R/drop_col.R

Description

Drop column or columns

Usage

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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

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

hutils documentation built on Nov. 1, 2018, 5:05 p.m.