tidytable (version 0.6.2)

pull.: Pull out a single variable

Description

Pull a single variable from a data.table as a vector.

Usage

pull.(.df, var = -1)

Arguments

.df

A data.frame or data.table

var

The column to pull from the data.table as:

• a variable name

• a positive integer giving the column position

• a negative integer giving the column position counting from the right

Examples

# NOT RUN {
test_df <- data.table(
  x = 1:3,
  y = 1:3
)

# Grab column by name
test_df %>%
  pull.(y)

# Grab column by position
test_df %>%
  pull.(1)

# Defaults to last column
test_df %>%
  pull.()
# }