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In 2.4.0 (and SVN) I am seeing xyplot creating empty pages for high page counts in layout - contrary to the manual which says high page counts should not matter. Everything works fine in 2.3.1. library("lattice") A<-data.frame(x=1:10, y=sin(1:10), z=round(1:10/3)) xyplot(x~y|z, A, layout=c(1,1,10)) The snippet above produces a valid plot in R 2.3.1, while in 2.4.0 and later I see

Hi all, I am working with some large data sets (1-4 GB) and have some questions that I hope someone can help me with: 1. Is there a way to turn off garbage collector from within C interface ? what I am trying to do is suck data from mysql (using my own C functions) and I see that allocating each column (with about 1-4 million items) takes between 0.5 and 1 seconds. My

Hi all, I was looking at the data frame subscription operator (attached in the end of this e-mail) and got puzzled by the following line: class(x) <- attr(x, "row.names") <- NULL This appears to set the class and row.names attributes of the incoming data frame to NULL. So far I was not able to figure out why this is necessary - could anyone help ? The reason I am

Hi Robert, Here is the second iteration of data frame subset patch. It now passes make check on both 2.4.0 and 2.5.0 (svn as of a few days ago). Same speedup as before. Changes: * Introduced two new functions .subassign2 and .subassign that are complimentary to .subset2 and .subset. * Changed x[[j]]<- assignment to x<-.subassign2(x, j, ..) to fix the problem with the previous patch.