Hi Rick,   Thanks again for your prompt response. I am sorry about that. Currently I am working on my Mac where I do not have the SAS. Would an excel file work?   Thanks again for your consideration,   Best,   Ege Bicaker ... View more

Hi Rick,   Thanks a lot for your quick response. You may see my data attached.    This is the code I am trying to run and get a Floating Point Zero Divide error.   ODS OUTPUT CLEAR; ODS LISTING CLOSE; ODS OUTPUT ESTIMATES=KEEPVC; PROC VARCOMP DATA=stacked METHOD=reml; CLASS Subscale Item2; BY ID ID_Day ID_Day_Point; MODEL Rating = Subscale Item2 ; RUN;   Thanks a lot for your help,   Best ... View more

When I run VARCOMP to examine the variance of ratings due to different items for each participant in my dataset, I get the error "Floating Point Zero Divide". What can I do about that? ... View more