Tena koe Jeff
Try something like:
for (i in 1:n)
{
assign(paste('data', i, sep=''), read.table(paste('data', i, '.dat',
sep=''), header=F))
.
.
.
}
HTH ....
Peter Alspach
> -----Original Message-----
> From: r-help-boun...@r-project.org
> [mailto:r-help-boun...@r-project.org] On Behalf Of Jeff Harring
> Sent: Friday, 13 November 2009 2:22 a.m.
> To: r-help@r-project.org
> Subject: [R] Question about simulation design...
>
> Help R list servers,
>
> I have 500 external data sets for a simulation study that I
> would like to bring into R to analyze. They have the names
> data1.dat, data2.dat, ..., dataN.dat
>
> Is there a way to automatize the bringing in of these data
> sets in R using the read.table function within a looping cycle?
>
> For example...
>
> for (j in 1:N){
> data_"j" = read.table("data"j".dat, header=F)
>
> executable code
> .
> .
> .
> }
>
> bring in the next data set.
>
> SAS uses a ampersand "&" to automatize the process.
>
> Example code:
>
> data _NULL_;
> set final;
> filename out "C:\data&k..dat";
> file out;
> put variables;
> run;
>
> I would welcome any insight into how to address this issue.
>
> Thank you.
> Jeff Harring
>
> --
> **********************************************************
> Jeffrey R. Harring, Assistant Professor
> Department of Measurement, Statistics & Evaluation (EDMS)
> 1230 Benjamin Building University of Maryland College Park,
> MD 20742-1115
>
> Phone: 301.405.3630
> Fax: 301.314.9245
> Email: harr...@umd.edu
> Web:
> http://www.education.umd.edu/EDMS/fac/Harring/webpage.html
>
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>
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