[R] Stichprobe bilden

[Thomas Petzoldt]

Thomas Lumley wrote:
> On Thu, 29 Apr 2004, Thomas Petzoldt wrote:
> 
>>If you want to make a subsample, you can select cases (rows) using
>>sub(), see ?sub for details, e.g. somethink like:
>>
> 
> 
> I think you mean subset().  sub() is a regular expression substitution
> function.

Absolutely sure! I should not try to answer questions late at night.

Thomas P.