[R] frequency table

[David Barron]

You might want to look at the CrossTable function in the gmodels
package (in the gregmisc bundle).

On 21/09/06, lamack lamack <lamac_k at hotmail.com> wrote:
> Dear all, I have a vector like this:
>
> z = rep(c("M","F"),c(50,60))
>
> How can I get the following frequency table:
>
> Sex             counts     %
> F                60           54.5
> M               50           45.5
>
> I try:
>
> DD<-   function(data,...)
> {
>     n       <-  nobs(data)
>     out     <-  c(Frequency  = n,
>                   k = n/length(data))
>     return(out)
> }
>
>
> mApply(z,z,DD)   but ....
>
>
> Best regards
>
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--
=================================
David Barron
Said Business School
University of Oxford
Park End Street
Oxford OX1 1HP


-- 
=================================
David Barron
Said Business School
University of Oxford
Park End Street
Oxford OX1 1HP