Message-ID: <438EA841.5010308@statistik.uni-dortmund.de>
Date: 2005-12-01T07:37:37Z
From: Uwe Ligges
Subject: about sorting table
In-Reply-To: <IQS3EF$E9EE818DDB470875CF259FC884ACB168@oreka.com>
herodote at oreka.com wrote:
> hi all,
>
> I load a table with headers that enable me to acces it by the column names:
>
> tab<-read.table("blob/data.dat",h=T)
> attach(tab)
>
> everythings are OK, but i try to sort this table against one of his column like this:
>
> tab<-tab[order(tab$IndexUI),];
>
> It is still ok, the table is sorted, if i type "tab" i see a sorted table.
>
> but, when i call the column by their names, it appears that the column isn't sorted...
>
> I believe that, is there a solution to attach column names another time, to reflect the effect of sorting this table?
>
> thks all for your answers
see ?colnames
Uwe Ligges
> guillaume.
>
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