2001/09/15 Renamed functions "invprobchisq", "invprobf",
           "invprobn", and "invprobt" to "chisqpoint",
           "fpoint", "npoint", and "tpoint", resp.
2001/09/14 In version 1.2, the capabilites and syntax
           of functions "plotlinreg" and "plotlogreg"
           have been modified to allow processing of
           datasets that are partitioned.
