?findInterval .. would get you the endpoints and then you could determine which is nearer.
Of course in your "example", everything would get "rounded" to 1. -- Bert On Thu, Dec 1, 2011 at 7:55 AM, Michael Kao <mkao006rm...@gmail.com> wrote: > Dear R users/helpers, > > I am wondering is there an existing function in which you can round numbers > to a set of values. I know you can use 5 * round(x/5) for rounding to the > nearest 5 or so, but what if the interval size is not constant. > > For example: > ## Not run > test <- rnorm(100) > round(test, c(1, 5, 10, 20, 50)) > > so that the test is rounded to the closest value in the vector. > > Thanks for the help. > > Cheers, > > ______________________________________________ > 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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm ______________________________________________ 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.