I have also reinstalled the MuMIn package as suggested at... http://r.789695.n4.nabble.com/Error-message-number-of-items-to-replace-is-not-a-multiple-of-replacement-length-td3257893.html
...however, this made no difference. any help is appreciated. thank you -- View this message in context: http://r.789695.n4.nabble.com/Package-MuMIn-dredge-Error-in-ret-cbind-x-se-rep-if-is-null-df-NA-real-else-df-number-of-items-to-re-tp4636105p4636604.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.

