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ncep
2013 Mar 06
1
Difficulty in caper: Error in phy$node.label[which(newNb > 0) - Ntip]
...l <- comparative.data(phy = mammaltree, data = mammaldata, names.col = Taxon, vcv = TRUE, na.omit = FALSE, warn.dropped = TRUE) #names.col?
Error in phy$node.label[which(newNb > 0) - Ntip] : only 0's may be
mixed with negative subscripts
--
Nicole A Thompson
E3B Columbia University, NYCEP
nat2103 at columbia.edu
480.522.4212