From: Peter Dalgaard BSA (p.dalgaard@biostat.ku.dk)
Date: Fri 20 Jul 2001 - 01:37:01 EST
Message-id: <x2y9pl6ici.fsf@blueberry.kubism.ku.dk>
"Debra Taylor" <debrat@bestweb.net> writes:
> I have a question about stacking datasets.
>
> I have 40 stata datasets that have exactly the same number of variables,
> with the same names (~420k rows, 8 columns).
>
> The datasets are relatively large ~ 15 megs.
>
> If they were text files a linux "cat file1 file2 >> combo" sort of
> strategy would work.
>
> I've considered using a merge command, but I don't want any records
> merged, only appended. Also, I don't want any variables to be renamed.
> Given there unique nature, using a simple
> merge(read.dta('file1'),read.dta('file2')) would give me (I think) what
> I am looking for but seems incredibly inefficient.
>
> There are a number of ways I could approach this all of which involve a
> non-R solution.
>
> Does somebody have an R solution in mind?
rbind?
-- O__ ---- Peter Dalgaard Blegdamsvej 3 c/ /'_ --- Dept. of Biostatistics 2200 Cph. N (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk) FAX: (+45) 35327907 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request@stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
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