Association Tests

Use this feature to specify one or more association tests to be performed.

The Trend test is selected by default.

Available tests are described in the following table:

Test	Description
Allele	Performs Pearson chi-square tests based on alleles .
Genotype	Performs Pearson chi -square tests based on genotypes .
Trend	Performs the Cochran-Armitage trend test using additive coding (0,1,2) for genotypes homozygous for the major allele , heterozygous , and homozygous for the minor allele , respectively.
Dominant	Performs the Cochran-Armitage trend test using dominant coding (0,1,1) for genotypes homozygous for the major allele, heterozygous, and homozygous for the minor allele, respectively.
Recessive	Performs the Cochran-Armitage trend test using recessive coding (0,0,1) for genotypes homozygous for the major allele, heterozygous, and homozygous for the minor allele, respectively.
MAX	Takes the maximum absolute value of the Z -statistic for the trend, dominant, and recessive tests and simulates random normal variables the number of times specified in the Number of Simulations for MAX Test parameter to estimate the p-value for this statistic.
RaoScott_ChiSq	Computes the Rao-Scott chi -square statistic for non-continuous traits using PROC SURVEYFREQ. Note : For the Rao-Scott tests, fixed effects and interactions effects are ignored . Refer to the SAS PROC SURVEYFREQ documentation for more information.
RaoScott_F	Compute the Rao-Scott F statistic for non-continuous traits using PROC SURVEYFREQ. Note : For the Rao-Scott tests, fixed effects and interactions effects are ignored . Refer to the SAS PROC SURVEYFREQ documentation for more information.

Note : You might not see all of the association tests described here, depending on the analytical process that you are using.

To Choose One or More Association Tests:

Left-click a single test, or press and hold Ctrl while left-clicking on multiple tests.