There is a monthly aggregation of daily data example in the zoo-quickref vignette:
vignette("zoo-quickref") and there are also relevant examples using aggregate.zoo or duplicated in the example section of ?aggregate.zoo On Tue, Apr 20, 2010 at 11:16 PM, zow...@ncst.go.ke <zow...@ncst.go.ke> wrote: > Hi Users, > I have daily series of data from 1962 - 2000, with the data for February > 29th in leap years excluded, leaving 365 daily values for each year. I > wish to convert the daily series to monthly series. How can I do this using > the zoo package or any other package? > > Thanks > > ZABLONE OWITI > GRADUATE STUDENT > Nanjing University of Information, Science and Technology > College of International Education > Add: 219 Ning Liu Rd, Nanjing, Jiangsu, 21004, P.R. China > Tel: +86-25-58731402 > Fax: +86-25-58731456 > Mob. 15077895632 > Website: www.nuist.edu.cn > ==================================================== > > > [[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. > ______________________________________________ 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.