Message-ID: <4ECCBC54.6040208@statistik.tu-dortmund.de>
Date: 2011-11-23T09:26:44Z
From: Uwe Ligges
Subject: Aggregating two or more vaiables
In-Reply-To: <1322037189001-4098855.post@n4.nabble.com>
On 23.11.2011 09:33, aa99 wrote:
> hey;
>
> i am new to R and require some help. i have below table data and i would
> like to aggregate Retail and QSold by BrandName.
>
>
> BrandName Segment Retail QSlod
> Oral B Whitening 10 2
> Colgate Sensitive 20 4
> Colgate Sensitive 30 6
> Oral B Whitening 40 8
> Close Up Whitening 50 10
> Oral B Whitening 60 12
>
>
> OutPut I would like:
>
> BrandName Retail QSlod
> Oral B sum(Retail) Sum (Qsold)
> Colgate
> Close Up
>
aggregate(cbind(Retail, QSlod) ~ BrandName, data=dat, sum)
Uwe Ligges
>
>
>
> --
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>
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