Re: [R] alternative to matching/merge?

From: jim holtman <jholtman_at_gmail.com>
Date: Thu, 12 Jun 2008 21:40:04 -0400

It would be nice if you at least included the code that you are using and a subset of the data. Have you run Rprof to determine which of the functions is consuming the time?

On Thu, Jun 12, 2008 at 3:25 PM, Lana Schaffer <schaffer_at_scripps.edu> wrote:
>
> Greetings,
> I am doing matching/merge for a table (40919x3) to data
> which is in the form of a list of 1268 data.frames. Using
> lapply this is taking ~5 minutes. I know that the match/merge
> functions are time consuming, so is there an alternative to

> this accomplish this goal? is lapply not efficient?
>
> Lana Schaffer
> Biostatistics/Informatics
> The Scripps Research Institute
> DNA Array Core Facility
> La Jolla, CA 92037
> (858) 784-2263
> (858) 784-2994
> schaffer_at_scripps.edu
>
> ______________________________________________
> R-help_at_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 you are trying to solve?

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Received on Fri 13 Jun 2008 - 02:54:57 GMT

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