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average environmental data if AnimalID and Time is duplicated
2012 Sep 26
2
average environmental data if AnimalID and Time is duplicated
...rame<- by(myframe[, 3:4], duplicated(myframe$ID, Zusatzdaten3$Timestamp) == TRUE, mean) but it doesn't work and I guess that it is also totally crap ;-) Tagmarie -- View this message in context: http://r.789695.n4.nabble.com/average-environmental-data-if-AnimalID-and-Time-is-duplicated-tp4644218.html Sent from the R help mailing list archive at Nabble.com.