On Mar 24, 2014, at 3:35 PM, jcrosbie wrote: > I'm having a problem working with daylight savings dates in R. > > I'm downloading data in two formats. > > Format One Col 1: a date such as "11/03/2013" col 2: Hour ending = 02* > Col1<-c("11/02/2008*", "11/02/2008", "11/02/2008", "11/02/2008") > Col1<-c("02*", "02", "03", "04") > > Another data set is something like this: "11/03/2013 02*" > Col1<-c("11/02/2008 02*", "11/02/2008 02", "11/02/2008 03", "11/02/2008 04") > > These data frames are very big and over multiple years with multiple values > for each hour ending. > > I'm trying to build subsets, filter, merge tables, lookup values with dates > like these. How do I go about working with the "02*"? >
If you are adding those asterisks to that example (as I suspect) then you are just creating problems in understanding what is really in your data. Instead post output from dput(dat) for a section of an object named 'dat'. > View this message in context: > http://r.789695.n4.nabble.com/How-to-get-a-subset-with-a-date-such-as-Date-11-03-2013-HE-02-tp4687488.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. -- David Winsemius Alameda, CA, USA ______________________________________________ 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.