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Hi list! Debuging one of my R programs I found: > 0 * NA [1] NA It this a bug, or intentional? I would expect 0 or 0.0 depending on the type of the NA. Gabor

On Saturday 09 April 2005 02.03, Fran?ois Pinard wrote: > The resulting animation, and also the sources, are available at: > > http://pinard.progiciels-bpi.ca/plaisirs/nr-anim-01.html Looks great!

Dear List, Could you tell why I get the error message? > library(multcomp) > data("cholesterol") > m = aov(response ~ trt, data = cholesterol) > cht <- glht(m, linfct = mcp(trt = "Tukey")) Error: could not find function "glht" Thank you G?bor

Dear All, I couldn't figure and couldn't google out how to make construct a pair of \Sexpr s or a LaTeX macro that would include 5\cdot 10^{-12} into the LaTeX output istead of 5e-12 . Any...

Hi Peter, Here are two links that may be useful: ML hypothesis tests: http://statgen.iop.kcl.ac.uk/bgim/mle/sslike_5.html ML confidence bounds: http://www.weibull.com/LifeDataWeb/likelihood_ratio_confidence_bounds.htm Yours, G?bor...

Hi List! Has onyone experience with "pstoedit" (http://www.pstoedit.net/pstoedit) to convert eps graphs generated by R on Linux to Windows formats (WMF or EMF)? Does this way work? Is there an other, better way? The fact that...

Dear Ross, I think I can not answer your question, but I have three ideas that might be useful: 1. Cluster randomized trials often ask similar questions. Having a look at CRT methods may suggest you a solution. 2. Similar...

Peter Dalgaard BSA ?rta: > BORGULYA G?bor <borgulya at gyer2.sote.hu> writes: >>But when I run the INSTALL script using the midnight commander it >>gives the following error message: >> >># /usr/lib/mc/extfs/rpm run /tmp/R-base-1...

Dear R experts, I am in transition to the R system from other statistical systems I was using (SPSS, Statistica, etc.). I have used R for a few months on my Windows PC, but now I would like to install...

Hi! I think this is an important example! Is there a way to make it included in the help of order? Maybe a shortened version: # sorting a data frame df <- data.frame(V1 = c("W","A", "A", "B", ""), V2 = c...

Dear Tam?s and Peter, Thank you for your suggestions. Both of you wrote about modifying the value of the LC_ALL environment variable (or even the LANG or LC_ALL) in the .bashrc file. First I modified the .bashrc...

Dear R-users, Some hours ago I successfully installed R 1.7.1 on my Linux computer (SuSE 8.1). Now I am trying to get my scripts work which I have written for R/Windows. * While with Windows I...

Dear R users, I am running a maximum likelihood model with optim. I chose the simulated annealing method (method="SANN"). SANN is not performing bad, but I guess it would be much more effecive if I could set the `parscale...

Dear Wayne Jones, Ravi Varadhan, Roger D. Peng and Jerome Asselin, Thank you for the helpful answers! I summarise them below and add my experiences: The numerical differentiation ----------------------------- > Check out ?fdHess and run the example! This was the solution. help...