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Nested fixed factors in glmer: Error in mer_finalize(ans) : Downdated X'X is not positive definite, 1.

PALACIO BLASCO, SARA 
Dear All,

Maybe this is a trivial question but: how can I specify a nested  
structured of fixed factors in glmer?

I still haven't found a way to solve the issues explained in my  
previous e-mail.

Thanks for your help,

Sara Palacio

Thread (5 messages)

PALACIO BLASCO, SARA Nested fixed factors in glmer: Error in mer_finalize(ans) : Downdated X'X is not positive definite, 1. Feb 28 Hugo.Mildenberger at web.de Nested fixed factors in glmer: Error in mer_finalize(ans) : Downdated X'X is not positive definite, 1. Feb 28 PALACIO BLASCO, SARA Nested fixed factors in glmer: Error in mer_finalize(ans) : Downdated X'X is not positive definite, 1. Feb 28 Douglas Bates Nested fixed factors in glmer: Error in mer_finalize(ans) : Downdated X'X is not positive definite, 1. Feb 28 Henrik Singmann Nested fixed factors in glmer: Error in mer_finalize(ans) : Downdated X'X is not positive definite, 1. Feb 28