[R] Help about stability analysis in R software!!!

[David Winsemius]

On Nov 22, 2009, at 8:19 PM, lugobueno wrote:

>
>   Â
>
>   Hello  people!! I'm trying to make a statistical analysis of  
> stability
>   through to package 'Agricolae', and procedure 'stability.par', but  
> I don't
>   get conclude the analysis. The problem is in my data set, that  
> have missing
>   value, and I didn't manage interpret the 'NA' used to assign  
> missing value.
>   Someone have any suggestion to solve the problem?

It's a bit hard to tell from what you have offered, but perhaps you  
should be looking at

?is.na

...and making sure you understand that is.na is capable of doing more  
than returning logical vectors.


>   I thank from now on!
>   Regards,
>   LuÃce.
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David Winsemius, MD
Heritage Laboratories
West Hartford, CT