Re: [R] how to remove "numeric(0)" component from a list

From: Charles C. Berry <cberry_at_tajo.ucsd.edu>
Date: Mon, 28 Jun 2010 21:53:12 -0700

On Mon, 28 Jun 2010, song song wrote:

> like this, the list is below, I want to remove the last one . not using
> newlist[-2], but using the function detect its component is numeric(0) and
> then remove it from the list.

Filter( length, newlist )

see

         ?Filter

HTH, Chuck

>
> newlist
>
> [[1]]
> [1] 2 3
>
> [[2]]
> [1] numeric(0)
>
> [[3]]
> [1] 7
>
> [[alternative HTML version deleted]]
>
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>

Charles C. Berry                            (858) 534-2098
                                             Dept of Family/Preventive Medicine
E mailto:cberry_at_tajo.ucsd.edu	            UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901

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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 Tue 29 Jun 2010 - 04:56:15 GMT

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