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Birgit, not knowing your data, I would recommend R-package "mice" or function aregImpute from R-package Hmisc as good multi-purpose tools. Regards, Ulrike -- View this message in context: http://www.nabble.com/missing-data-imputation---simulation-tp17642736p17643601.html...

P.S.: I should have mentioned: The operating system is Windows XP. -- View this message in context: http://r.789695.n4.nabble.com/Two-R-sessions-on-multicore-computer-seem-to-inhibit-each-other-tp4636336p4636355.html Sent from the R...

I want to execute R commands from within MATLAB. After installing Robert Hensons Matlab R-link (Matlab Central File Exchange), which works well for some operations (evalR('object<-lm(formula<-x~y)') ) it has problems with others (evalR('object<-lars...

Dear DevelopeRs, I am surprised about the outcome of the second command: str(as.character(as.numeric("ee"))) str(as.character(log(-1))) I would have expected a character NA. Is there an intention behind this behavior? Best, Ulrike -- ***************************************************** * Ulrike...

Thanks to both of you, you are probably right that memory is the limiting factor. I have no knowledge about the available memory on the lab machines, but I will find out and make sure that this is the explanation...

Dear helpeRs, I would like to include generation of a potentially large number of plots, and modify the ask settings using the devAskNewPage function, and return it back to its original state afterwards. It is not unlikely that the user...

Dear developeRs, I have not found anything recent about how to link to a vignette or other documentation from within Rd-files. Is this now possible with the new help system ? For example, I would like to link to the...

Dear Meike, a variable with negative entry for J in IJ (I cannot become negative) explains more in the joint model than it can explain when alone in the model. You can find discussions of such phenomena e.g. under...

Dear userRs, Version 2.0 of package relaimpo is on CRAN (and on my homepage with an additional metric for non-US users). It contains several major improvements: - usage of factors - incorporation of interactions (for metric lmg only) - incorporation of...

I also second Peter's proposal. I think that it is particularly helpful to save time for maintainers of packages that were developed a longer time ago. When writing new packages, it is relatively easy to keep track of which...

Dear List, When I subset a data.frame, the levels are not re-adjusted (see example). Why is this? Am I missing out on some basic stuff here? Thanks Ulrik > m <- data.frame(gender = c("M", "M","F"), ht = c...

Dear developeRs, I appreciate that boxplot now labels the axes with variable names per default. However, with argument "horizontal=TRUE" (which I always use), the default axis labels are mixed up, as can e.g. be seen with require(boot...

Dear UseRs, the new Task View "ExperimentalDesign" (Title: Design of Experiments (DoE) & Analysis of Experimental Data) has just been uploaded to CRAN. It covers packages that have functionalities for designing experiments or specific tools for analyzing data from designed experiments...

Dear all, I got stuck with a weird behavior of pretty: pretty(c(-1,1),n=1) yields -2, 0, 2 instead of the desired result -1 1. Likewise, pretty(c(-2,2),n=1) yields -5, 0, 5 instead...

Dear developeRs, I have just discovered a strange feature when assigning some values to columns of a data frame: The column is matched by partial matching (as documented), but when assigning a value, a new column with the partial name...

Dear helpeRs, I have some png files in the inst/extdata directory of a package (e.g., man.png), and I want to provide character strings containing the paths to these files; of course, these path strings have to depend...