My data look like this: Col1 1 2 3 4 5 6 ....... My questions are: (1) How do I get it in the following format? Col1 Col2 1 2 3 4 5 6 .......
(2) How do I transform the data in 2 column format above back to the single column format? Thanks in advance for your reply! _________________________________________________________________ [[alternative HTML version deleted]] ______________________________________________ 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.