What you are looking for is commonly called the mode, but (surprisingly?) there doesn't seem to be a standard implementation for mode() in R. (the mode function gives you something else entirely) -- this SO thread may be of help: http://stackoverflow.com/questions/2547402/standard-library-function-in-r-for-finding-the-mode
Michael On Thu, Mar 29, 2012 at 9:30 AM, Jung, Yongsuhk <yjung....@ivey.ca> wrote: > Dear Members of the R-Help, > > > While using a R function - 'aggregate' that you developed, I become to have a > question. > > In that function, > > > >> aggregate(x, by, FUN, ..., simplify = TRUE) > > > > I was wondering about what type of FUN I should write if I want to get "the > most frequent value of the subgroup" as a summary statistics of the subgroups. > > I will appreciate if I can get your idea on this issue. > > Many thanks, > > Jason Jung. > > > [[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.