crunch (version 1.14.4)

is-na-categories: is.na for Categories

Description

is.na for Categories

Usage

"is.na"(x)
"is.na"(x) <- value
"is.na"(x) <- value
"is.na"(x)
"is.na"(x) <- value

Arguments

x

Categories or a single Category

value

To change the missingness of categories, supply either (1) a logical vector of equal length of the categories (or length 1 for the Category method), or (2) the names of the categories to mark as missing. If supplying the latter, any categories already indicated as missing will remain missing.

Value

Getters return logical, a named vector in the case of the Categories method; setters return x duly modified.