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3 results for “from:Stefan Franke”

little "r" cannot find packages
Stefan Franke · Nov 29, 2009 · r-sig-debian

You were right, I have different paths for my libraries: vmuser at lenny157:~$ r -e 'print(.libPaths())' [1] \"/usr/local/lib/R/site-library\" \"/usr/lib/R/site-library\" [3] \"/usr/lib/R/library\" \"/usr/lib64/R/library\" vmuser at...

little "r" cannot find packages
Stefan Franke · Nov 26, 2009 · r-sig-debian

Dear All I want to use R, Rscript und r alternately under one common configuration. The problem is that \"r\" can't find the package \"Rmpi\" and other packages whereas \"R\" has no problem to find. $ R --vanilla < mpiHelloWorld.r...

Error "mu[i] must be positive" with Gamma family
Stefan Frank · May 18, 2010 · r-sig-mixed-models

Hi, I'm trying to fit a LMER to Gamma distributed data using the identity link function, but keep running into the problem that a negative mean is estimated: > lmer(y~x+(1|s), data, family=Gamma(link="identity"), verbose...

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