dt_keep_cols {libbib}

Keep columns in a data.table

Description

Takes a data.table and a quoted sequence of column names and removes all columns but the ones specified

Usage

dt_keep_cols(DT, ...)

Arguments

DT

A data.table

...

arbitrary number of column names in quotes

Value

Returns data.table with only those columns

Examples

mt <- as.data.table(mtcars)
dt_keep_cols(mt, "mpg", "am", "gear", "carb")