[R] subsetting based on vector

Vumani Dlamini dvumani at hotmail.com
Thu Mar 25 15:10:15 CET 2004


Thanks man. It did the trick.

Vumani


>From: Winfried Theis <theis at statistik.uni-dortmund.de>
>To: Vumani Dlamini <dvumani at hotmail.com>
>CC: r-help at stat.math.ethz.ch
>Subject: Re: [R] subsetting based on vector
>Date: Thu, 25 Mar 2004 16:16:58 +0100
>
>Hi!
>
>Well, you could try a subsetting rule like " year %in% yearsconsidered
>".
>
>Hope this helps,
>
>Winfried
>On Thu, 2004-03-25 at 14:33, Vumani Dlamini wrote:
> > Dear R users;
> >
> > I am trying to write a small program which reads in a data set, and 
>selects
> > observations from certain years before the analysis. I have a problem
> > including the selection criteria in the header of the program.
> >
> > Here is the problem;
> >
> > dataFIT<-function(MODEL, MARGINS, yearConsidered){
> >     library(foreign
> >     CovPaper<-read.spss("C:/Data/data.sav")
> >     NewData <- list(CovPaper$"YEAR"[CovPaper$"YEAR" == yearConsidered],
> >                           CovPaper$"YEAR"[CovPaper$"SEX" == 
>yearConsidered],
> >                       #### and so on #####
> >    #fit model to data #
> > }
> >
> > When I use one year there is no problem, but I would like some data sets 
>to
> > span over years and I am not sure how to do this without having to 
>change
> > the body of my fitting program.
> >
> > I tried searching the R-list but to no avail.
> >
> > Thanking you in advance.
> >
> >
> > Vumani
> >
> > _________________________________________________________________
> >
> > ______________________________________________
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>--
>-----------------------------------------------------------------
>Dr. Dipl.-Math. Winfried Theis, SFB 475, Projekt C5,
>Universität Dortmund, 44221 Dortmund
>e-mail: theis at statistik.uni-dortmund.de
>Tel.: +49/231/755-5903 FAX: +49/231/755-4387
>




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