where: Select variables with a function

In poorman: A Poor Man's Dependency Free Recreation of 'dplyr'

Select variables with a function

Description

This selection helper selects the variables for which a function returns TRUE.

Usage

where(fn)

Arguments

fn	A function that returns TRUE or FALSE.

Value

A vector of integer column positions which are the result of the fn evaluation.

See Also

select_helpers

Examples

iris %>% select(where(is.numeric))
iris %>% select(where(function(x) is.numeric(x)))
iris %>% select(where(function(x) is.numeric(x) && mean(x) > 3.5))

poorman documentation built on Nov. 2, 2023, 5:27 p.m.