Dear Nick:
Thanks a lot for your help.
Here is the mod file and test data, it works fine in PsN.
$PROB POPPK MODEL
$INPUT C ID TIME AMT DV CMT EVID AGE SEX RACE SJC TJC WBC ALB
MTX ICRP IWGT RATE MDV IRP TSLD PTIM SMOK ETOH DIAB DR
Sam,
I could not find any problem when I ran the control stream you sent
(using WFN 720 and NONMEM 7.2). However, I do have a suggestion for you
which may help WFN be more useful to you.
A major feaure of WFN is that is interprets the comment text after
each parameter statement as the param
Sam,
I just noticed that the names I chose for some of the parameters didn't
really match the way they were used in the code. A better way of writing
the code is shown below. I also forgot to mention in my last email that
if you use parameter names in the comment text then there is no need to