I know when model building using proc reg or even proc logistic it automatically outputs the assumptions or at least gives you the option to input the code for in the model statement. However, when it comes to proc surveyreg and logistic, it has been hard to test the following assumptions: Linear: linearity, normality, homoscedasticity logistic: linearity between independent variables and logit both: multicollinearity, independence of errors, and influential outliers I know how to use obtain these model assumptions via normal proc reg/logistic, but since I am taking into account of the complex survey design, how does one test these assumptions? It's been extremely difficult finding this information. Like in: proc reg data=x; model y=z / vif coll tol run; I can use this kind of specification in order to test for VIF, tolerance etc. Thank you!
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