Create an observed/missing mask matrix

Returns a logical matrix of the same dimensions as X, with TRUE where values are observed (not NA).

Usage

mask_missing(X)

Arguments

X

numeric matrix (species x traits or species x latent columns).

Value

Logical matrix, TRUE = observed.

Examples

X <- matrix(c(1, NA, 3, 4), nrow = 2)
mask_missing(X)
#>       [,1] [,2]
#> [1,]  TRUE TRUE
#> [2,] FALSE TRUE