> From: [EMAIL PROTECTED] > > Hi Fellows from R-Help List! > > My questions are basic since i an new with R. I am very > acquainted with Matlab & > Gauss (the compentence, I guess). Anyhow, > > (1) I am trying to get R execute comands made or built as > text, so that one can > feed a particular option with many variations coming from a > text file. Is this > possible with the free version? For instance, there exists > the eval comand in > Matlab, which executes the matlab comand in the text argument > incoming thru > eval.
I guess you are looking for... eval(): > cmd <- "x <- rnorm(30); summary(x)" > eval(parse(text=cmd)) Min. 1st Qu. Median Mean 3rd Qu. Max. -1.6040 -0.3406 0.1896 0.1868 0.8361 1.8930 Not sure what you mean by `free version'. Do you know of a non-free version? > (2) Is there any way to avoid the automatic stop of a > redundant NL estimation, > like for instance, the one behind arima()? Usually, when the > NL problem has > spikes or the like, even the global optimizer procedures > stop. If many models > are supposed to be estimated and you just want to bypass > those badly-behaved > models (and store the many statistic values just as NAs), > such a stop makes you > correct the loop indexes and re-run the program. How to avoid it? I guess you are looking for try() or tryCatch(). HTH, Andy > Best > > Carlos > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > ------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments,...{{dropped}} ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html