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pdata
2007 Apr 06
0
translating sas proc mixed to lme()
Hi All
I am trying to translate a proc mixed into a lme() syntax. It seems that I was
able to do it for part of the model, but a few things are still different.
It is a 2-level bivariate model (some call it a pseudo-3-level model).
PROC MIXED DATA=psdata.bivar COVTEST METHOD = ml;
CLASS cluster_ID individual_id variable_id ;
MODEL y = Dp Dq / SOLUTION NOINT;
RANDOM Dp Dq / SUBJECT = cluster_ID TYPE=UN G GCORR;
REPEATED variable_id / SUBJECT = individual_ID(cluster_ID) TYPE=UN R RCORR;
RUN;
Here is my try:
dta = sqlQuery(odbcConnect("sasodbc&...