secr (version 1.3.0)

subset.mask: Subset Mask Object

Description

Retain selected rows of a mask object.

Usage

## S3 method for class 'mask':
subset(x, subset, ...)

## S3 method for class 'mask':
rbind(...)

Arguments

x

mask object

subset

numeric or logical vector to select rows of mask

...

two or more mask objects (rbind only)

Value

• For subset, an object of class 'mask' with only the requested subset of rows and 'type' attribute set to 'subset'. For rbind, an object of class 'mask' with all unique rows from the masks in ..., and 'type' attribute set to 'rbind'.

Details

The subscripts in subset may be of type integer, character or logical as described in Extract. Covariates are ignored by rbind.mask.

See Also

mask

Examples

tempmask <- make.mask(make.grid())
OK <- (tempmask$x + tempmask$y) > 100
tempmask <- subset(tempmask, subset = OK)
plot(tempmask)