Vectors are numerics. I'd like to know for each a[i], which b[j] delivers the smallest abs(a[i]-b[j]).
Thanks for your time. Joh Bert Gunter wrote: > Vectors of what? How is "closest" defined? See e.g. ?dist > > > Bert Gunter > Genentch Nonclinical Statistics > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of Johannes Graumann > Sent: Monday, January 07, 2008 11:19 AM > To: [EMAIL PROTECTED] > Subject: [R] Efficient way to substract all entries in two vectors from > eachother > > Hi all, > > I'm to inexperienced to come up with the matrix solution elusively > appearing on the horizon for the following problem and would appreciate if > you could give me a nudge ... > I have two vectors a, and b and need to find the closest match for each > value of a in b. > How to do that efficiently? > > Thanks, Joh > > ______________________________________________ > 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. ______________________________________________ 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.
