Insert row in specific location between data frames
I have already follow your step, it still not work when I merge groupA and groupB , the error message was shown Error in rbind(deparse.level, ...) : replacement has length zero -- View this message in context: http://r.789695.n4.nabble.com/Insert-row-in-specific-location-between-data-frames-tp4634905p4635153.html Sent from the R help mailing list archive at Nabble.com.