Message-ID: <CAMUS-MtTrbtp4HKyQA0A1Mqj=Pf8XV2EzkxGadfdphtL0d6RQw@mail.gmail.com>
Date: 2012-12-27T20:48:40Z
From: Emmanuel Levy
Subject: Finding (swapped) repetitions of numbers pairs across two columns
In-Reply-To: <4E8ABAE8-72EC-46C2-AAE5-C443832B2F25@me.com>
I did not know that unique worked on entire rows!
That is great, thank you very much!
Emmanuel
On 27 December 2012 22:39, Marc Schwartz <marc_schwartz at me.com> wrote:
> unique(t(apply(cbind(v1, v2), 1, sort)))