I think (no promises) roll.apply() from the zoo package with sum can count occurrences in whatever time period. Then use a logical test to identify sufficiently active periods.
Hope this helps, Michael Weylandt On Sep 7, 2011, at 4:07 PM, Vineet Shukla <shuklvin...@gmail.com> wrote: > Hi, > > Premises: I have a database which contain the list of events and their time > stamps (This is a Unix time stamps) > > What I want to do : I want know how much is the maximum occurrence of this > in any a time period of 7 days or does a event occur es more than "N" (say > 5) times in a period of 7 days. > This time period is not fixed with "week > boundary", its a period of 7 days occurring at any time. > > > Question : How it can be done in R. is there a package which can be helpful > ? if yes then how I can use it. > > > Rgds, > Vineet > > [[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.