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In trying to install the pbatR package, I was greeted with the error Error: package 'tcltk' does not have a name space Execution halted Directly installing the package tcltk2 returned the following error: Loading required package: tcltk Error in firstlib(which.lib.loc, package) : Tcl/Tk support is not available on this system I have seen from previous posts that tcl/tk must be

Hi, I am wondering if anybody has experience with scatterplot matrices where some (but NOT all) axis are transformed and the labels are nicely plotted. So far I looked into 1) pairs() 2) scatterplotMatrix() from package 'car' 3) splom() from packagae 'lattice' 4) plotmatrix() from 'ggplot2' I can see no easy way to get what I want which is: *) a scatterplot matrix of three variables *) 2 of 3 variables should be log-transformed *) the labels for the log transformed variables should be e^2 etc resp. 10^2 etc. *) the variable nam...

This thread discussed R memory limitations, compared handling with S and SAS. Since I routinely use R to process multi-gigababyte sets on computers with sometimes 256mb of memory - here are some comments on that. Most memory limitations vanish if R is used with any relational database. [My personal preference is SQLite (RSQLite packaga) because of speed and no-admin (used in embedded mode)].