Hi everybody!I am a new user! I´m trying to calculate alpha1, but it have been impossible. I used this syntax: proc options option=MEMSIZE; run; proc sort Data=prueba; by gender communities; run; proc genmod data=prueba descending; class communities agecoded (param=ref ref='2'); by gender; model respiratory= agecoded / dist=bin link=logit; repeated subject=communities/ logor =exch; run; This following output is the output obtained with the syntax: ------------------------------------------- GENDER=0 ------------------------------------------- The GENMOD Procedure Model Information Data Set PRUEBA Written by SAS Distribution Binomial Link Function Logit Dependent Variable RESPIRATORY andningsorganenssjukdomar (icd10 j0_j9) Number of Observations Read 38311 Number of Observations Used 38311 Number of Events 3527 Number of Trials 38311 Class Level Information Design Class Value Variables AGECODED 0 1 0 1 0 1 2 0 0 Response Profile Ordered RESPIRATORY Total Value MAX Frequency 1 1 3527 2 0 34784 PROC GENMOD is modeling the probability that RESPIRATORY ='1'. Parameter Information Parameter Effect AGECODED Prm1 Intercept Prm2 AGECODED 0 Prm3 AGECODED 1 The SAS System 21708 12:26 Thursday, September 1, 2011 ------------------------------------------- GENDER=0 ------------------------------------------- The GENMOD Procedure Algorithm converged. tHATS ALL!! The procedure stopped! I have 30 communities and age coded in 3 groups. My outcome is to have or not respiratory diseases. Can someone help me please? Thanks!!! Raquel
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