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Dear friends, I'm probably wrong but is there anything better than bootstrap to get a confidence interval of the median from a population with unspecified distribution ? Best wishes Troels Ring, Aalborg, Denmark

Dear friends - reading Milliken and Johnson on messy data I failed to find R code to master the unbalanced Machines data in ch 23. I wonder if anyone can lend me a hand - again Happy new year Troels Ring Aalborg...

Hi friends - just installed gtools to make rstan run. Was rapidly informed by Spyhunter 4 that gtools.dll harboured Gator. Spyhunter 4 then aggressively removed Gator - and gtools were gone and rstan out of function. Kind of sorry about this...

Hi, I'm using windows xp and R 2.8.0 - I wonder what is the command to put in a script that has the same effect as when in a plot you choose menu "History" and "Recording". Best wishes...

Dear friends, I'm on windows, R 2.15.1 - library(ggplot2) #compiled under 2.15.2 qplot(mpg, wt, data=mtcars, colour=cyl) # directly from the qplot help Error in rename(x, .base_to_ggplot, warn_missing = FALSE) : could...

Thanks a lot to David and William - I think ggplot( data=ddd, aes(x=pH, y=BC,group=interaction(type,pH), col=type))+geom_boxplot() was very helpful! All best Troels Den 18-05-2021 kl. 02:27 skrev David...

Dear friends - I'm using Tinn-R in Windows and find it OK. My son is running MacOS and is just starting using R and I know nothing about MacOS and R but we seem to have difficulties in finding...

Dear friends, can I use Ryacas to solve the two equations X = a/(a+b) Y = (a+b)^2*(a+b+1)/(a*b) subject to a>0 and b>0 ? I'm on windows using latest R Best wishes...

Dear friends - updated to R 3.3.2 - tried to install nls - got this sad response package ?nls? is not available (as a binary package for R version 3.3.2) I'm on windows 7 Did I do something...

Dear friends. I wanted to generate random samples from an inverse gaussian distribution. How could I proceed ? I couldn't find it if it is already there. Best wishes Troels -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac...

Dear friends - I'm on windows 7, R 2.15.2 when I run the example for aareg in survival package I see this: plot(lfit[4], ylim=c(-4,4)) error in xy.coords(x, y, xlabel, ylabel, log...

-- Troels Ring - - Department of nephrology - - Aalborg Hospital 9100 Aalborg, Denmark - - +45 99326629 - - tring at gvdnet.dk -------------- next part -------------- An embedded message was scrubbed... From: Chuck Cleland <ccleland at optonline.net> Subject: Re: [R-sig-ME] Multilevel Probability Question Date: Tue...

dear friends, I have a vector of clusters of TRUE and FALSE like c(TRUE,TRUE,TRUE...,FALSE,FALSE,FALSE,....TRUE,TRUE...) and want to make that into a vector of c(1,1,1,1...2,2,2,2...

Thanks Duncan - getting still better! - but "Y2" is still unformatted and so different from "Y1" - I have been on the help page but fail to find explanations. Best wishes Troels Den 07-08-2014 08:08, Duncan Mackay skrev: > (sd1...