Re: [R] subset list based on logical within element flag

From: Benilton Carvalho <bcarvalh_at_jhsph.edu>
Date: Wed, 12 Mar 2008 18:00:39 -0400

gene.pair.tf.lst[sapply(gene.pair.tf.lst, "[[", "sig.cor")]

b

On Mar 12, 2008, at 5:24 PM, Mark W Kimpel wrote:

> I have a very long list that I'd like to subset based on a logical
> value
> within each element. Example below. I'd like to get just those list
> elements for further study whose $sig.cor slot is TRUE. In this
> example,
> I'd only want element [[2]].
>
> Should be simple, I know. How can I do this? Thanks, Mark
>
>> gene.pair.tf.lst
> [[1]]
> [[1]]$gene.pair
> [1] "Lgals1:Pxmp2"
>
> [[1]]$sig.cor
> [1] FALSE
>
>
> [[2]]
> [[2]]$gene.pair
> [1] "Lgals1:Pxmp2"
>
> [[2]]$sig.cor
> [1] TRUE
>
>
> [[3]]
> [[3]]$gene.pair
> [1] "Lgals1:Pxmp2"
>
> [[3]]$sig.cor
> [1] FALSE
> --
>
> Mark W. Kimpel MD ** Neuroinformatics ** Dept. of Psychiatry
> Indiana University School of Medicine
>
> 15032 Hunter Court, Westfield, IN 46074
>
> (317) 490-5129 Work, & Mobile & VoiceMail
> (317) 204-4202 Home (no voice mail please)
>
> mwkimpel<at>gmail<dot>com
>
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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. Received on Wed 12 Mar 2008 - 22:22:57 GMT

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