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On Thu, Mar 19, 2009 at 2:15 PM, tedzzx <zengzhenx...@gmail.com> wrote: > > Dear R experts, > > How to find out the index of minimum or maxmum number in a vetor or > data.frame? > > For example, > > a= > > n price > 1 50 > -2 100 > 0 200 > -1 300 > ...... > > > I want to find out the row which the n is the smallest or largestest and > extract the price. > > > Thanks > > Ted > -- > View this message in context: > http://www.nabble.com/find-the-index-of-the-smallest-or-biggest-number-in-a-vetor-or-data.frame-tp22599905p22599905.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. > -- Tsjerk A. Wassenaar, Ph.D. Junior UD (post-doc) Biomolecular NMR, Bijvoet Center Utrecht University Padualaan 8 3584 CH Utrecht The Netherlands P: +31-30-2539931 F: +31-30-2537623 ______________________________________________ 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.
