Hi, I am not very familiar with SAS or statistics although I have been using SAS for a while. I'm trying to run a ZIP model with inflated zeros. The model seems to be running fine with 502 observations, but I reduced the sample size based to 365 to remove invalid observations.  The output is below. All variables except Mktval2 are binary. Not sure why cleartitle has no chi sq or p value. Thank you!     ... View more