[Rd] Function some()

Peter Dalgaard p.dalgaard at biostat.ku.dk
Fri Sep 17 20:37:50 CEST 2004


Gabor Grothendieck <ggrothendieck at myway.com> writes:

>    data(iris) 
>    data(state)
> 
> # Now we have:
> 
>    head(sample(iris))                  # data frame
>    head(sample(data.frame(state.x77))) # matrix 
>    head(sample(letters))               # vector

Nope. Think again:

> names(sample(iris))
[1] "Species"      "Sepal.Width"  "Sepal.Length" "Petal.Length"
"Petal.Width"
> names(sample(iris))
[1] "Sepal.Length" "Species"      "Petal.Width"  "Petal.Length"
"Sepal.Width"

-- 
   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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