[R] How to sample database

[Peter Dalgaard BSA]

Bernardo Rangel Tura <tura at centroin.com.br> writes:

> Dear R-masters!
> 
> I have a database with 2400 patients and I need make a sample with 90 subjects.
> How to I make a random sample in this data base with R?

yourdata[sample(2400,90),] 

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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