error : invalid reference value for postcode error no valid observation due to invalid or missing values in the response, explanatory offset , frequency or weight variable. after i did ur programation code. how can i solve that 😞
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my dependent variable here is depression yes or no (binary) while my indepnedent variable is postcode i have 3 levels like you see rural, urbain and missing . my question is why there is an error when i did proc genmode ?
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i have this warning when changed the dependent variable : WARNING: The generalized Hessian matrix is not positive definite. Iteration will be terminated. is there is sloution for this ?
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I have used this programming code proc gemod data=postalcode descending ; class Nam postcode (param = ref ref='rural' ; model Dep1month=postcode / link=logit dist=binomial ; repeated subject =Nam /type= exch; run ; I had this error : error in computing the variance function error in parameter estimate covarince computation error in estimation routine. how to fix this problem by steps please ? Sherief Universite de montreal
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