Message-ID: <alpine.LFD.2.20.1805011323470.1023@localhost>
Date: 2018-05-01T11:26:54Z
From: Eivind K. Dovik
Subject: Merging dataframes
In-Reply-To: <CAGvZnSOgKn-DDW_269jEbQ=2rE8QnkMfWnHGyt04EjVErm6oBg@mail.gmail.com>
On Tue, 1 May 2018, Chintanu wrote:
> Hi,
>
>
> May I please ask how I do the following in R. Sorry - this may be trivial,
> but I am struggling here for this.
>
>
>
> For two dataframes (A and B), I wish to identify (based on a primary
> key-column present in both A & B) -
>
> 1. Which records (rows) of A did not match with B, and
>
>
>
> 2. Which records of B did not match with A ?
>
>
>
> I came across a setdt function while browsing, but when I tried it, it says
> - Could not find function "setdt".
>
>
>
> Overall, if there is any way of doing it (preferably in some simplified
> way), please advise.
>
>
> Many thanks in advance.
>
>
> regards,
>
> Tito
>
> [[alternative HTML version deleted]]
Dear Tito,
Please provide your R-code so we can reproduce your data (and your
setdt-error).
Best,
Eivind K. Dovik
Bergen, NO
>
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>