Hi r-help-boun...@r-project.org napsal dne 04.05.2009 13:19:15: > Hi everyone: > > I need to count the number of banks of each firm in my > data. The firm is identified by the fiscal number. The > banks of each firm appears like this: > > Firm Banks > 500600700 Citybank > 500600700 CGD > 500600700 BES > 500600800 Citybank > 500600800 Bank1 > 500600900 CGD > … > > I want to obtain the following dataframe: > Firm numberofbanks > 500600700 3 > 500600800 2 > 500600900 1 > …
E.g. as.data.frame(rowSums(table(test))) Regards Petr > > This is a question of counting the times each firm > appears, but I don’t know which function do this. If > anyone could help me I appreciate. > > Thank you in advance for the help you could give me, > > Cecilia Carmo (Portugal) > > ______________________________________________ > 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. ______________________________________________ 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.
