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str2str (version 1.0.0)

is.colnames: Test for `colnames`

Description

is.colnames returns whether elements of a character vector are colnames of an object.

Usage

is.colnames(nm, x)

Value

TRUE for every element of `nm` that is a colname of x and FALSE otherwise. The structure is a logical vector with length = length(`nm`) and names = `nm`. See details for special cases.

Arguments

nm

character vector.

x

object whose colnames are desired to be tested.

Details

If the object does not have any colnames, then the function will return `FALSE` for each element of the character vector.

Examples

Run this code
data("mtcars")
is.colnames(x = as.matrix(mtcars), nm = c("MPG","mpg"))

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