To help you through the planning stage in the analytical process, SPSS Complex Samples provides you with specialized tools and procedures for working with sample survey data. And, it easily plugs into SPSS Base so you can seamlessly work in the SPSS environment.
Complex Samples Plan (CSPLAN): use this procedure to specify the sampling frame to create a complex sample design or analysis specification used by companion procedures in SPSS Complex Samples. With CSPLAN, you can specify how to draw or analyze stratified, clustered or multistage complex sample designs, with or without replacement. Methods for sampling with probability proportionate to size (PPS) are also available.
Because CSPLAN does not actually extract the sample or analyze data, you sample cases using sample designs created by CSPLAN as input to the Complex Samples Selection (CSSELECT) procedure.
Sampling Plan Wizard: if you are creating your own samples, use the Sampling Plan Wizard to define the scheme and draw the sample. From there, you can create plan files that you can save and share with colleagues.
Analysis Preparation Wizard: If you're using public-use datasets that already have samples, such as those provided by the CDC, use the Analysis Plan Wizard to specify how the samples were defined and how standard errors should be estimated. From there, you can create plan files that you can save and share with colleagues.
Plan files: once you have created plan files, you can save them and treat them as templates. This allows you to save all the decisions you made when creating the plan. This saves time and accuracy for yourself and others who may want to plug your plans into the data to replicate results or pick up where you left off.
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