anyNA.im: Check Whether Image Contains NA Values

Description Usage Arguments Details Value Author(s) See Also Examples

View source: R/images.R

Description

Checks whether any pixel values in a pixel image are NA (meaning that the pixel lies outside the domain of definition of the image).

Usage

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  ## S3 method for class 'im'
anyNA(x, recursive = FALSE)

Arguments

x

A pixel image (object of class "im").

recursive

Ignored.

Details

The function anyNA is generic: anyNA(x) is a faster alternative to any(is.na(x)).

This function anyNA.im is a method for the generic anyNA defined for pixel images. It returns the value TRUE if any of the pixel values in x are NA, and and otherwise returns FALSE.

Value

A single logical value.

Author(s)

\spatstatAuthors

.

See Also

im.object

Examples

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  anyNA(as.im(letterR))

spatstat.geom documentation built on April 15, 2021, 9:06 a.m.