Abigail
You are correct that only the unweighted CvM test has been coded into the Distance R package. In practice, I don't recall a data set for which the weighted and unweighted versions of the test (performed in DistWin) produced differing inference
regarding model fit.
Eric Rexstad
Centre for Research into Ecological and Environmental Modelling
University of St Andrews
St Andrews KY16 9LZ
Registered charity: SC013532