Hi All, Can someone explain me how I can determine the overall model fit for a negative binomial and Poisson model? (I'm not an expert with SAS enterprise guide, so please explain it simple 🙂 ) I want to know how much of the variance is determined by my estimated models (in order to check if it's a steadfast model Thanks in advance, Regards, Peter ... View more

Hi all, I'm not so familiar with the SAS program and therefore this question. I'm trying to fit a model with accident data and I'm using a Negative Binomial model with the crashes as dependent variable. The results shows a Dispersion factor of "0.3516" . Does this means that there is overdispersion? How the value must be read? With respect to 0 or to 1? I hope you can help me. Thanks in advance! Regards, Peter ... View more

Hi all, I'm new with the program SAS enterprise guide. First I succesfully imported some data from a excel file. When executing a Gen. Linear Model this error is shown: WARNING: Tagset HTML4 not found; the default tagset will be used instead. ERROR: Default tagset not found. Be sure that tagsets.default and your preferred tagset are in your ODS path.        (Use ODS PATH SHOW to view the current search path.) This output destination cannot continue. ERROR: Fatal ODS error has occurred. Unable to continue processing this output destination. WARNING: No body file. TAGSETS.DEFAULT output will not be created. Can someone help me with this problem? I searched already on internet but found nothing. Thnx, Peter ... View more