Thank you Arun for your quick answer. Ill try it and ill let you know. Cheers
On 21/04/2014, at 11:30 PM, "arun kirshna [via R]" <[email protected]> wrote: > Hi, > > Using the example data from library(gvlma) > > library(gvlma) > data(CarMileageData) > CarMileageNew <- CarMileageData[,c(5,6,3)] > lst1 <- list() > y <- c("NumGallons", "NumDaysBetw") > for(i in seq_along(y)){ > lst1[[i]] <- gvlma(lm(get(y[i])~MilesLastFill,data=CarMileageNew)) > lst1} > pdf("gvlmaplot.pdf") > lapply(lst1,plot) > dev.off() > > > You could also use ?lapply(). > > > A.K. > > > > Hi > I have a spread sheet with a column Samples (column1) and then 34 more > columns with different concentrations of fatty acids per sample. Im trying to > run the same function 34 times. In this case (the first of 34), I have a > fatty acid called C14.0 (column 2). I'm a newbie with R so I spent the last 4 > days looking for a way of doing it (without running the same function 34 > times with a different fatty acid each time). I saw that people do similar > things with loops but I cannot get them to work. > I have tried the script below but it does not work. > > y<-c("C14.0","C15.0","C16.0") > for (i in y) { > FA.ml=lm(i~Sample,data=FA) > gvlmaFA<-gvlma(FA.ml) > gvlmaFA > } > > > I really appreciate if someone can give me a hand with that. I know would > have been finished if I had typed the 34 fatty acids but I want to learn how > to do it with loops. > Cheers > > > ______________________________________________ > [hidden email] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > > If you reply to this email, your message will be added to the discussion > below: > http://r.789695.n4.nabble.com/Loops-run-the-same-function-per-different-columns-tp4689171p4689190.html > To unsubscribe from Loops (run the same function per different columns), > click here. > NAML -- View this message in context: http://r.789695.n4.nabble.com/Loops-run-the-same-function-per-different-columns-tp4689171p4689228.html Sent from the R help mailing list archive at Nabble.com. [[alternative HTML version deleted]] ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.

