[R] Sampling from a Data Frame

Spencer Graves spencer.graves at pdf.com
Fri Apr 4 22:30:51 CEST 2003

What do you want?

The following selects 3 rows at random from DataFrame:

	DataFrame <- data.frame(x=1:9, y=rnorm(9))
	DataFrame[sample(dim(DataFrame)[1], 3, replace=TRUE), ]

Spencer Graves

Ko-Kang Kevin Wang wrote:
> Hi,
> I've been looking through the documentation for sample(), but can only get 
> it to work with vectors.  Is it possible to sample from a dataframe?

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