Apologise - yes, my 10% calculations seem to be slightly off. However, the function gives me all falses which seems to be a little weird. Even where both columns equal each other. Should that be right?
In essence I want to check whether A and B equal other give or take 10%. On Wed, Oct 1, 2014 at 6:54 PM, Peter Alspach <peter.alsp...@plantandfood.co.nz> wrote: > Tena koe Kate > > If kateDF is a data.frame with your data, then > > apply(kateDF, 1, function(x) isTRUE(all.equal(x[2], x[1], check.attributes = > FALSE, tolerance=0.1))) > > comes close to (what I think) you want (but not to what you have illustrated > in your 'eventual outcome'). Anyhow, it may be enough to allow you to get > there. > > HTH .... > > Peter Alspach > > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of Kate Ignatius > Sent: Thursday, 2 October 2014 11:11 a.m. > To: r-help > Subject: [R] How to check to see if a variable is within a range of another > variable > > Is there an easy way to check whether a variable is within +/- 10% range of > another variable in R? > > Say, if I have a variable 'A', whether its in +/- 10% range of variable 'B' > and if so, create another variable 'C' to say whether it is or not? > > Is there a function that is able to do that? > > eventual outcome: > A B C > 67 76 no > 24 23 yes > 40 45 yes > 10 12 yes > 70 72 yes > 101 90 no > 9 12 no > > ______________________________________________ > 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. > The contents of this e-mail are confidential and may be subject to legal > privilege. > If you are not the intended recipient you must not use, disseminate, > distribute or > reproduce all or any part of this e-mail or attachments. If you have > received this > e-mail in error, please notify the sender and delete all material pertaining > to this > e-mail. Any opinion or views expressed in this e-mail are those of the > individual > sender and may not represent those of The New Zealand Institute for Plant and > Food Research Limited. > ______________________________________________ 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.