[R] Baffled: triggering error message with an sd result in odfWeave?

[Peter Dalgaard]

David Winsemius wrote:
> I think it because you are trying to use the if-else control construct, 
> when you should be using the ifelse function:
> 
> ?ifelse
> 
> Try (perhaps):
> traindev <- ifelse( (trainlength>0), round(sd(trainscores, na.rm=T),1) , 
> "")

Does anything change if you rename to (say) trainsd??

> You do seem to be mixing types, though, so perhaps you should use NA 
> instead of "".
> 


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