Check Mask is Binary

Source: R/check_mask.R

Determine if only values in a mask are 0/1

check_mask(mask, allow.NA = FALSE, allow.array = TRUE)

Arguments

mask

Object of class nifti
allow.NA

allow NAs in the mask
allow.array

if class(mask) is "array", is this OK?

Value

Logical indicating if object is binary mask with only 0, 1, and NA if applicable

Examples

arr = array(rbinom(1000, size = 1, prob = 0.2), dim = c(10,10,10))
nim = oro.nifti::nifti(arr)
check_mask(nim)
#> [1] TRUE