[R] Replace <NA> with something else

[p_connolly at slingshot.co.nz]

Try x1$`NA` instead of x1$NA.

HTH


Quoting eric <ericstrom at aol.com>:

> I inserted na.strings='' and that seemed to work except for a problem with a
> plot statement
>
> plot(x1$NA,type='l',ylab='M kg/ y ',xlab='')
>
> Error: unexpected numeric constant in "plot(x1$NA"
>
>> tail(x1)
>            AP   EU   LA    NA total
> Jun 2012 2.32 2.26 5.38 13.74 23.70
> Jul 2012 2.46 2.21 5.33 12.94 22.94
> Aug 2012 2.69 2.24 5.28 13.32 23.54
> Sep 2012 2.62 2.28 5.14 12.99 23.06
> Oct 2012 2.61 2.27 5.31 12.59 22.80
> Nov 2012 2.55 2.18 5.08 12.56 22.39
>
>> str(x1)
> ‘zoo’ series from Dec 2007 to Nov 2012
>   Data: num [1:60, 1:5] 2.02 1.91 1.79 1.66 1.37 1.25 1.32 1.31 1.32 1.31
> ...
>  - attr(*, "dimnames")=List of 2
>   ..$ : NULL
>   ..$ : chr [1:5] "AP" "EU" "LA" "NA" ...
>   Index: Class 'yearmon'  num [1:60] 2008 2008 2008 2008 2008 ...
>
> What's wrong with my plot statement ?
>
>
>
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