[R] sequencial frequency table
Marc Schwartz
marc_schwartz at comcast.net
Tue Jan 30 15:48:44 CET 2007
On Tue, 2007-01-30 at 10:03 -0300, Mauricio Cardeal wrote:
> Hi.
>
> I have the data frame xyz below and I´d like to perform a sequencial
> frequency table using some unique function instead of making 3 different
> one-by-one table (table x, table y and table z). But I´can´t figure out
> the correct way.
>
> x <- c(2,3,2,4)
> y <- c(3,1,1,1)
> z <- c(4,2,1,4)
> xyz <- as.data.frame(cbind(x,y,z))
>
> freq <- function(x){
> table(x)
> }
>
> freq(xyz)
>
> Thank you,
> Mauricio
Is that what you want?
> lapply(xyz, table)
$x
2 3 4
2 1 1
$y
1 3
3 1
$z
1 2 4
1 1 2
See ?lapply if so.
HTH,
Marc Schwartz
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