[R] Find the empty element in a factor array
Peter.Alspach at plantandfood.co.nz
Thu Jan 27 02:00:16 CET 2011
Tena koe Wendy
Should do it.
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Wendy
> Sent: Thursday, 27 January 2011 10:59 a.m.
> To: r-help at r-project.org
> Subject: [R] Find the empty element in a factor array
> Hi all,
> I have a factor array, and some of the elements are empty. How would I
> return the index number of the empty elements. For example,
> > test
>  A B C E
> Levels: A B C E
> I would like the result equal to 2.
> Thank you,
> View this message in context: http://r.789695.n4.nabble.com/Find-the-
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