apply with missing values
A bit of data might be useful. Make a small example and post the data with dput().
On 24.12.2012, at 20:21, jenna wrote:
I am trying to get the means of each participants avg saccade amplitude as a function of the group they were in (designated by "shape_"), but there are missing values in the dataset....this is what i tried... with(data055,tapply(AVERAGE_SACCADE_AMPLITUDE,shape_,mean)) i get an error saying the argument is not numerical or logical next i try...
055 <- tapply(data055$AVERAGE_SACCADE_AMPLITUDE,
+ data055$shape_,mean, na.rm =TRUE) still nothing.... help? thanks! -- View this message in context: http://r.789695.n4.nabble.com/apply-with-missing-values-tp4653889.html Sent from the R help mailing list archive at Nabble.com.
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