nominal.dist: Apply the discrete metric to two scores.
Description
Apply the discrete metric to two scores.
Usage
nominal.dist(x, y)
Value
0 if x is equal to y or if either is NA, 1 otherwise.
Arguments
x
a score.
y
a score.
Details
This function applies the discrete metric to two scores. This may be an appropriate distance function for the nominal level of measurement. NA's are handled gracefully.