[R] Baffled: triggering error message with an sd result in odfWeave?
sredmonson at yahoo.com
Mon Dec 15 18:17:04 CET 2008
Unfortunately - no luck. Changing to the ifelse construction didn't fix the
problem, and changing the "" to a zero or a NA also didn't help.
Meanwhile, I have 4 other sd calculations on the same dataset, using the
same construction, elsewhere in the document and code. None of them are
giving me any problems whatsoever.
I think it because you are trying to use the if-else control
construct, when you should be using the ifelse function:
traindev <- ifelse( (trainlength>0), round(sd(trainscores, na.rm=T),
1) , "")
You do seem to be mixing types, though, so perhaps you should use NA
instead of "".
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