psFitS3 fitted method for an object of class psFit
# S3 method for psFit
fitted(object, n = NULL, ...)a named vector of fitted probabilities
an object of class psFit, usually from fitDist
or fitZIDist.
This parameter is NULL by default. If it is not NULL
then it must be either the number of fitted terms to be return, or, a vector
containing the desired fitted values.
other arguments passed to fitted---not used.