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hello, i'm looking for an efficient way to run two-way-anovas and/or boxplots for all (200+) variable in a dataframe. are there a neat way to script this? lukas kohl

der R-listers, does anyone of you know whether there is a function which returns the xlim/ylim ranges of the current plot (i would like to use coordinates to place some text via a function, regardless of the x...

dear R-listers, does anyone of you know whether there is any R package that features a alogarithm to calculate the sum formula from a given exact mass (as used in mass spectrometry)? thanks a lot, lukas -- Lukas Kohl Department...

dear r community... it loks like i won't be able to reach homogenity of variance for my dataset, so i end up with welch anova instead of regular anova. documentation on this test is rather scarce, so maybe someone...

Hello, following problem: i have a written my own function to draw some sophisticated graphic, which after manipulating data somewhere contains a plot comand function <- function(x) { ... plot(xy) } to tidy up my final graphs, it would be very handy...

dear R community, i appologize as this is kind of a newbie question, but: I want to assign group letters (like in anova post-hoc tests) to data with combined means and SDs. It's easy to apply t-test...

I have a related question: dataframe df contains values like >df .. "\\textbf{ 0.644 }" .. and the line > print( xtable(df , sanitize.text.function = function(x){x})) converts them to .. & $\backslash$textbf\{ 0.644 \} & .. escaping both double backslashes and brackes. maybe...