A very simple but long way to do this would be to subset your data set. There are better ways but this way would be easy to understand. January <- subset(mydata, Month=="January")
Repeat for each month. --- On Fri, 11/7/08, Swanton0822 <[EMAIL PROTECTED]> wrote: > From: Swanton0822 <[EMAIL PROTECTED]> > Subject: [R] grouping data together > To: r-help@r-project.org > Received: Friday, November 7, 2008, 6:03 PM > Hi. > i have a data, and there is 3 columns, Month, Year and > Total. and there is > over 1000 rows for them because there is 87 years data for > every month, so > there is month from Jan-Dec, and year from 1900-1987, > so i was wondering if i would want to make 12 groups > (Jan,Feb.......,Dec), > and put each year's total into the corresponding month > (so every month group > will have 88 values of total) > how can i do that? > many thanks. > -- > View this message in context: > http://www.nabble.com/grouping-data-together-tp20389726p20389726.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. __________________________________________________________________ [[elided Yahoo spam]] ______________________________________________ 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.
