search for: td847899

Displaying 1 result from an estimated 1 matches for "td847899".

2012 Oct 13
2
Function hatTrace in package lme4
...el)) N <- nrow(attr(model, 'X')) K.corr <- N*(N-p-1)*(rho+1)/((N-p)*(N-p-2)) + N*(p+1)/((N-p)*(N-p-2)) CAIC <- -2*cond.loglik + 2*K.corr return(CAIC) } Reference: http://r.789695.n4.nabble.com/Using-Conditional-AIC-with-lmer-td847899.html However, in this function the function hatTrace of the lme4 package was used to calcuate rho (line: rho <- hatTrace(model) ) Sadly, R tells me that this function could not be found. A search on the internet revealed that this function was dropped out of the new package release of lme4....