[R] about sorting table

Uwe Ligges ligges at statistik.uni-dortmund.de
Thu Dec 1 08:37:37 CET 2005

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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