Hi Reeza, Thank you for your response. Nevertheless, fisher's exact test cannot be employed with the statement Proc Surveyfreq unfortunately. While I can definitely collapse those individual language groups into a single group "Other", that would only allow me to conduct wald chi-square test for sex by language only. Unfortunately, I realized that many other variables have distinct groups such as "yes" and "no", "always", "frequently", "sometimes"...etc in which there would be no good method to collapse any of the groups together when cells have 0 frequency since each group is distinct, unlike the language groups which could easily be collapsed into an "Other" group. I am rather sure that the commands that I have used for conducting statistical tests on survey data is correct such as the following: proc surveyfreq data=wdp.newzhang; tables heat_1*water/ wchisq; weights weight_3; run; Perhaps I just have selected infeasible variables to cross-tabulate and conduct statistical tests. Nevertheless, thank you very much for your time and assistance on this dilemma. Best, Lisa
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