Pull out a single column

Extract a single column from a data frame and return as an atomic vector. Defaults to pulling the last column from a data frame.

Usage

pull(data, x = NULL)

Arguments

data

A data frame.

x

A character string (name) or integer (position) for specified variable.

Value

Atomic vector

Examples

#----------------------------------------------------------------------------
# pull() examples
#----------------------------------------------------------------------------
library(bkdat)

df <- data.frame(a = c(1, 2, 3), b = c(4, 5, 6))
pull(df, "a")
#> [1] 1 2 3
pull(df, 2)
#> [1] 4 5 6