R-beta: Copy/use and Copy/omit on dataframes

[Peter Dalgaard BSA]

Murray Jorgensen <maj at waikato.ac.nz> writes:

> How do you copy from one data frame to another including or omitting rows
> according to the values in one of the columns.
> 
> Past or present Minitab users will know what I am talking about!

Um, not knowing Minitab, I'm not sure that I do... Will subset() do
what you need?

e.g. new.frame<-subset(old.frame,age>25)

-- 
   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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