search for: ntimepts

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2004 Jul 12
2
lme unequal random-effects variances varIdent pdMat Pinheiro Bates nlme
...the ratio of the variances of the random intercepts--these variances derived from the two halves of the partitioned data. But surely there's a direct, model-based way to do this? Thanks for any suggestions Jake P.S. Here is the code by which the "data" were generated. nb<-1 ntimepts<-3 girls<-data.frame( y= rep(-nb:nb , each=ntimepts) , id=rep( paste("F", 1:(2*nb+1), sep=""), each=ntimepts) , time=rep(1:(2*nb+1), length=ntimepts) ) boys <-data.frame( y= rep(10*(-nb:nb) , each=ntimepts) , id=rep( paste("M", 1:(2*nb+1),...
2004 Jul 12
0
Where does R search when source() ?
...variances of the random intercepts--these variances derived from the two | halves of the partitioned data. | | But surely there's a direct, model-based way to do this? | | Thanks for any suggestions | | Jake | | P.S. Here is the code by which the "data" were generated. | | nb<-1 | ntimepts<-3 | girls<-data.frame( | y= rep(-nb:nb , each=ntimepts) | , | id=rep( paste("F", 1:(2*nb+1), sep=""), each=ntimepts) | , | time=rep(1:(2*nb+1), length=ntimepts) | ) | boys <-data.frame( | y= rep(10*(-nb:nb) , each=ntimepts) | , | id=rep( paste("M", 1:(2*nb+1)...