Dear All,
   
  I would like to know if I can use the Wald test or the Score test for testing a set of parameter in a glmm model estimated by the glmmPQL method.  I am asking this question because I don't know  whether  the glmmPQL's estimates are maximum likelihood estimates or not, and also because  likelihood ration test  cannot be used with this method.
   
  Many thanks,
   
  Bernard

 		
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