tidyr (version 0.3.0)

unite: Unite multiple columns into one.

Description

Convenience function to paste together multiple columns into one.

Usage

unite(data, col, ..., sep = "_", remove = TRUE)

Arguments

data

A data frame.

col

(Bare) name of column to add

...

Specification of columns to unite. Use bare variable names. Select all variables between x and z with x:z, exclude y with -y. For more options, see the select documentation.

sep

Separator to use between values.

remove

If TRUE, remove input columns from output data frame.

See Also

separate(), the complement.

Examples

library(dplyr)
unite_(mtcars, "vs_am", c("vs","am"))

# Separate is the complement of unite
mtcars %>%
  unite(vs_am, vs, am) %>%
  separate(vs_am, c("vs", "am"))

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