i'm not success to insert row in specific location and merge another file I have a question and I feel confused about the usage of "rbind", "cbind" and "data.frame)
data 1: > predict_SO2_a predict_SO2_a 1 39.793231 2 30.252578 3 32.467584 4 31.941509 5 27.908320 6 11.594137 7 9.368125 8 12.319093 9 11.558811 10 NA 11 11.211306 12 12.400342 13 12.393146 14 13.256160 15 10.709600 16 9.966334 17 28.850652 18 10.024405 data 2: predict_SO2_b [1] 16.931975 18.286223 11.454404 6.256828 7.951174 5.364070 9.675208 7.328439 9.957388 14.603543 14.605044 8.681327 9.450510 10.628049 13.178781 11.757256 [17] 23.820308 when I used "merge" and combine data1 and data2, it showed the error Error in rbind(deparse.level, ...) : replacement has length zero. I found the display of these two data are different. I'm confused -- View this message in context: http://r.789695.n4.nabble.com/Insert-row-in-specific-location-between-data-frames-tp4634905p4635020.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org 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.