FAQ
Choosing the correct analysis for various survey designs

The table below shows general guidelines for choosing a statistical analysis for various survey designs.

Design Stata SAS SUDAAN WesVar R
Simple random sampling Stata SAS SUDAAN WesVar R
Stratified with certainty PSUs Stata SAS SUDAAN WesVar R
One-stage cluster sampling Stata SAS SUDAAN WesVar R
Probability proportional to size sampling Stata SAS SUDAAN WesVar R
Stratified random sampling Stata SAS SUDAAN WesVar R
Systematic sampling Stata SAS SUDAAN WesVar R
Repeated systematic sampling Stata SAS SUDAAN WesVar R
Stratified random sampling with allocation to strata Stata SAS SUDAAN WesVar R
Stratification after sampling (poststratification) Stata SAS SUDAAN WesVar R
Other methods of estimation          
Ratio estimation Stata SAS SUDAAN WesVar R
Regression estimation Stata SAS SUDAAN WesVar R

Note: The SUDAAN pages provide the code for SAS-callable SUDAAN, which is somewhat different from the code used in the stand-alone version of SUDAAN.

Note: The WesVar page for simple random sampling contains basic information on how to use WesVar as well as how to analyze survey data with a simple random sampling design.

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