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Quickest way to access data.frame?
2008 Apr 02
1
Quickest way to access data.frame?
...data) == 0){ return(NA) } data[nrow(data), "DATA1"] }, data = data)), names=as.character(attr(data$ID2, "levels"))) res <- mean(res, na.rm=TRUE) }, data = data) -- View this message in context: http://www.nabble.com/Quickest-way-to-access-data.frame--tp16447176p16447176.html Sent from the R help mailing list archive at Nabble.com.