b_gather: base gather

In yonicd/bplyr: Use dplyr and tidyr without the dependency overhead

Description

base gather mimics basic functionality of tidyr::gather

Usage

b_gather(
  data,
  key = "key",
  value = "value",
  columns = NULL,
  regex = FALSE,
  ...,
  na.rm = FALSE,
  convert = FALSE
)

Arguments

data	data.frame
key	character, name of new key column, Default: 'key'
value	character, name of new value column, Default: 'value'
columns	column names or indicies or regex of them to gather, Default: NULL
regex	boolean, indicates of columns is to be treated as a regular expression, Default: FALSE
...	parameters to pass to grep
na.rm	boolean, apply na.omit to value column, Default: FALSE
convert	boolean, apply type.convert to key column, Default: FALSE

Value

data.frame

Author(s)

Jonathan Sidi

See Also

type.convert

Examples

mini_iris <- iris[c(1, 51, 101), ]

# gather Sepal.Length, Sepal.Width, Petal.Length, Petal.Width

b_gather(mini_iris, key = 'flower_att', value = 'measurement',
columns = c('Sepal.Length', 'Sepal.Width', 'Petal.Length', 'Petal.Width'))

b_gather(mini_iris, key = 'flower_att', value = 'measurement',
columns = 1:4)

b_gather(mini_iris, key = 'flower_att', value = 'measurement',
columns = -5)

b_gather(mini_iris, key = 'flower_att', value = 'measurement',
columns = '^(Sepal|Petal)',regex = TRUE)

yonicd/bplyr documentation built on Feb. 24, 2020, 2 p.m.