Dear R users; Hi. I have a problem with splitting dataframe into several. I have a large dataframe (Length of 61000). It has 4 Columns as below: " Date Cases Country 1 2020-12-14 746 Country1 2 2020-12-15 324 Country1 .. 6000 2020-12-13 298 Country2 . . " Each country has a different number of rows and their related dates are different. What I want to do is: Extract rows for each country and make a new column for that case of the country. " Date Cases_Country1 Cases_Country2 Cases_Country3 ...... 1 2020-12-14 746 25 65 2 2020-12-15 324 .. 6000 2020-12-13 298 352 75 " I used split function, but it create a list and I cannot use the data. Please help me to fix this problem. Sincerely
-- Best Regards Javad Bayat M.Sc. Environment Engineering Alternative Mail: bayat...@yahoo.com [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.