[R-sig-ME] Fisher matrix not invertible - Glmmlasso

Samuel Muli @@mue|@mu|| @end|ng |rom un|-bonn@de
Mon Jul 18 16:53:53 CEST 2022


Previously, I had sought help with "fisher matrix not invertible" while 
fitting a glmmLasso but lack of reproducible example might hinder 
getting further help with what seems like a programming/data problem.  
On this link, we provide both code and link to the publicly available 
dataset and further details: 

In brief, after running for some time, the model encounters a fatal 
error, "fisher matrix not invertible" if the number of features is more 
than the total number of subject ids, below which it works just fine.

Best regards,


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