Hi everyone, I'm currently working on survey data analysis and I'm a bit confused about the differences between using weighting only versus an approach that incorporates both weighting and adjustments for complex sample design (e.g., accounting for stratification and clustering). Could someone explain what the overall impact is on the analysis results when using each method? Thanks in advance for your help! ... View more

Hi all, I’m currently working on a multinomial logistic regression using surveylogistic procedure. I’d like to assess the goodness-of-fit of the model. I noticed the output includes a likelihood ratio test, but I’m not sure whether that can be used as a measure of model fit in this context. Any advice on how to assess model fit in this case? ... View more