x ijp]' The Generalized Estimating Equation of Liang and Zeger (1986) for estimating the p ×1 vector of regression parameters is an extension of the independence estimating equation to correlated data ...
The confidence limits are displayed as extra columns in the "Covariance Parameter Estimates" table. The confidence level is by default; this can be changed with the ALPHA= option. names the SAS data ...