Displaying 1 result from an estimated 1 matches for "sparsex".
Did you mean:
sparse
2010 May 24
1
sparse matrices in lme4
I read somewhere (help list, documentation) that the random effects in lme4
uses sparse matrix "technology".
I'd like to confirm with others that I can't use a sparse matrix as a fixed
effect? I'm getting an "Invalid type (S4) " error.
Thanks.
~~~~~~~~~~~~~~~~~~~
-Robin Jeffries
Dr.P.H. Candidate in Biostatistics
UCLA School of Public Health
rjeffries@ucla.edu