Hello, thanks for your answer, but this is my problem, I have a database of lessons presidential, with variables, candidate 1, candidate 2, Total_ votes, Strata. And what I want is to calculate the estimators of reason, or proportion between a candidate and the total votes, and estimate of the total votes cast, their corresponding variances and their corresponding deff. My program is as follows: DATA PREP2006; RUN; *STRATIFIED SAMPLING; PROC SORT DATA=PREP2006 OUT=ORDER_PREP2006; BY STRATA; RUN; PROC SURVEYSELECT DATA=ORDER_PREP2006 OUT=WORK.SAMPLING METHOD=SRS N=3; STRATA STRATA; RUN; PROC PRINT DATA=SAMPLING (OBS=10); RUN; *proportion between a candidate and the total votes; PROC SURVEYMEANS DATA=SAMPLING; RATIO CAN21 CAND2 / TOTAL_VOTES ; RUN; *ESTIMATED TOTAL VOTES ^T; PROC SURVEYMEANS DATA=SAMPLING SUM VARSUM STD RANGE NMISS CVSUM CLSUM; VAR TOTAL_VOTOS; WEIGHT SAMPLINGWEIGHT; RUN; *THE FOLLOWING PROC ME BACK THE DEFF, BUT NOT ON THE ESTIMATOR TOTAL OF TOTAL VOTES; PROC SURVEYFREQ data=SAMPLING; TABLE TOTAL_VOTES / DEFF; strata ESTRATOS; RUN; HOW TO GET the following estimates? * estimates of population means and totals * estimates of population proportions * standard errors * confidence limits * deff For each ESTIMATOR * ratio estimates
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