Yes, but it works only when you have integer counts for each value. When I have only relative frequencies I can't repeat each value a non-integer number of times. Paolo
----- Original Message ----- From: "Roger Bivand" <[EMAIL PROTECTED]> To: "Paolo Radaelli" <[EMAIL PROTECTED]> Cc: <[email protected]> Sent: Friday, March 03, 2006 1:18 PM Subject: Re: [R] Compute quantiles with values and correspondent frequencies > On Fri, 3 Mar 2006, Paolo Radaelli wrote: > > > Dear List, quantile(x) function allows to obtain specified quantiles of > > a vector of observations x. > > > > Is there an analogous function to compute quantiles in the case one have > > the vector of the observations x and the correspondent vector f of > > relative frequencies ? > > Just use rep(): > > x <- rpois(100, 4) # data > quantile(x) > tx <- table(x) # frequencies (need to be integer counts) > tx > v <- as.numeric(names(tx)) # values > quantile(rep(v, as.integer(tx))) > > You have v and tx, so this should work. > > > > > Thank you > > > > Paolo Radaelli > > > > > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > [email protected] mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > > > > -- > Roger Bivand > Economic Geography Section, Department of Economics, Norwegian School of > Economics and Business Administration, Helleveien 30, N-5045 Bergen, > Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43 > e-mail: [EMAIL PROTECTED] > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
