select_dt: Select column from data.frame

In hope-data-science/tidydt0: Tidy Verbs for `data.table`

Description

Analogous function for select in dplyr.

Usage

select_dt(data, ...)

Arguments

data	data.frame
...	List of variables or name-value pairs of summary/modifications functions.

Value

data.table

See Also

select,dt_mutate

Examples

  iris %>% select_dt(1,3,4)
  iris %>% select_dt(2:3)
  iris %>% select_dt(Sepal.Length)
  iris %>% select_dt(Sepal.Length,Species)
  iris %>% select_dt(-Sepal.Length,-Species)
  iris %>% select_dt(startsWith(colnames(.),"Petal"))

hope-data-science/tidydt0 documentation built on Feb. 3, 2020, 12:04 a.m.