Check, and possibly correct, that the input stars object:
Has exactly one attribute.
Has exactly two dimensions.
The dimensions are spatial, named x and y (in that order).
normalize_2d(x)A stars object
A new stars object
# Small example
data(dem)
normalize_2d(dem)
#> stars object with 2 dimensions and 1 attribute
#> attribute(s):
#> Min. 1st Qu. Median Mean 3rd Qu. Max.
#> elevation -2 12.5 112 102.9371 178 211
#> dimension(s):
#> from to offset delta refsys x/y
#> x 1 13 689164 90 +proj=utm +zone=36 +ellps... [x]
#> y 1 11 3629999 -90 +proj=utm +zone=36 +ellps... [y]