b <- paste("C:\\rphp\\",arg, sep='') On Sat, Jun 26, 2010 at 12:55 AM, Maulik Shah <maulik.shah2...@gmail.com> wrote: > I am fitting 3 parameter model to my response matrix and want to generate > item characterstic curve. > I want to specify file name to save item characterstic curve by passing it > as external parameter to the R batch script. The following is the code I > have written for this. > > *R Script:* > > library(ltm) > cmd_args = commandArgs(); > for (arg in cmd_args) cat(" ", arg, "\n", sep="") > respmat <- read.table("C:\\rphp\\responsedata.txt") > fit3pl <- tpm(respmat) > cat(" ", arg, "\n", sep="") > b <- c("C:\\rphp\\",arg) > png(file=b, bg="transparent") > plot(fit3pl,items=c,lwd=3) > dev.off() > rm(respmat,fit3pl,b) > q() > > Could you please help me in doing so? I get an error message when R executes > png(). > > Thanks and Regards, > Maulik > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org 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. >
-- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ R-help@r-project.org 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.