[R] NaN - trouble fixing NaN

[R. Michael Weylandt]

Without seeing data, it's only a guess, but you should pass na.rm =
TRUE to mean() so it will pass over NaNs in the data :

tapply(HSuccess, Aeventexhumed, mean, na.rm=TRUE)

Cheers,
Michael

On Sun, Apr 1, 2012 at 7:27 PM, Jhope <jeanwaijang at gmail.com> wrote:
> Hi R-listers,
>
> I am using the package plyr. I am just trying to get the hatching success
> mean of each nesting event and have typed in the following and received the
> below results:
>
>> tapply(HSuccess, Aeventexhumed, mean)
>        A                    B                  C
> 0.2156265 0.1288559       NaN
>
> What can I do about NaN? I should be able to get a result for event C
> because I was able to make a boxplot graph with this information showing all
> three nesting events (A, B, and C).
>
> Please advise,
>
> Jean
>
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