[R] NA and Character(0) in List Element

[Gerrit Eichner]

Hi, Benjamin,

have you tried for your list with NA-components to use is.na() as follows 
(where x is assumed to be your list)?

x[ !is.na(x)]


  Hth  --  Gerrit

On Tue, 29 Jan 2013, Benjamin Ward (ENV) wrote:

> Hi, This is probably a small query but one I'm struggling with: I have a 
> list in which I had elements which were NA, I removed them, by doing: 
> list2 <- lapply(list, na.omit),
>
> However this leaves the element there with 'character(0)' in place as 
> well as attributes:
>
> e.g.
> [[978]]
> character(0)
> attr(,"na.action")
> [1] 1
> attr(,"class")
> [1] "omit"
>
>
> I want to get rid of these elements/positions in the list, since a 
> function is supposed to sample the list for elements (each element is a 
> collection of about 20 numbers each).
>
> Thanks,
>
> Ben W.
>
> UEA (ENV) - b.ward at uea.ac.uk
>
>
>
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