[R] about sorting table

[Uwe Ligges]

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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