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The SURVEYLOGISTIC Procedure |
Linear hypotheses for are expressed in matrix form as
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where is a matrix of coefficients for the linear hypotheses and
is a vector of constants. The vector of regression coefficients
includes slope parameters as well as intercept parameters. The Wald chi-square statistic for testing
is computed as
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where is the estimated covariance matrix in the section Variance Estimation. Under
,
has an asymptotic chi-square distribution with
degrees of freedom, where
is the rank of
.
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