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The SURVEYFREQ Procedure

• produces one-way to n-way frequency and crosstabulation tables from complex multistage survey designs with stratification, clustering, and unequal weighting
• tables include estimates of population totals, population proportions, and their standard errors
• computes confidence limits, coefficients of variation, and design effects
• provides a variety of options to customize the table display
• provides Rao-Scott chi-square goodness-of-fit tests, which are adjusted for the sample design, for one-way frequency tables
• test a null hypothesis of equal proportions for a one-way frequency table or input a custom null hypothesis proportions for the test
• provides design-adjusted tests of independence, or no association, between the row and column variables for two-way tables. These tests include the following:
  • Rao-Scott chi-square test
  • Rao-Scott likelihood ratio test
  • Wald chi-square test
  • Wald log-linear chi-square test
• computes estimates and confidence limits for risks (or row proportions), the risk difference, the odds ratio, and relative risks for 2x2 tables
• Variances of the estimated parameters computed by using the following methods:
  • Taylor series (linearization)
  • balanced repeated replication (BRR)
  • delete-1 jackknife
• employ Fay's method with BRR
• input or output a SAS data set containing a Hadamard matrix for BRR
• import or export SAS data sets containing replicate weights for BRR or jackknife methods
• create a SAS data set containing the jackknife coefficients
• provides analysis for subpopulations, or domains, in addition to analysis for the entire study population
• calculates design effects for each overall proportion estimates in frequency and crosstabulation tables
• obtain separate analyses on observations in groups (distinct from subpopulation analysis)
• uses ODS to create a SAS data set corresponding to any table
• supports ODS Graphics

For further details see the SAS/STAT User's Guide: The SURVEYFREQ Procedure
( PDF | HTML )

Examples

• Two-Way Tables
• Multiway Tables (Domain Analysis)
• Output Data Sets

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