You should look at how summary.data.frame does it. (You are, of
course, re-inventing the wheel.)
You probably ought to also look at the doBy package with its summaryBy
function. The help page example uses the length function for counts.
I often prefer the output of describe() in Hmisc.
--
One of the various tabulation functions would seem to be the most
appropriate for getting frequency summaries:
?table
?xtabs
On Jan 22, 2009, at 6:17 AM, Stefan Björk wrote:
Hello helpers,
This is probably quite simple, but I'm stuck.
I want to create a summary statistics table with freque
Since %male is basically the mean if you code male=1 and female=0,
which is more informative than absolute frequency. So, you may want to
have a glance at doBy package, especially the summaryBy function.
All the best
On Thu, Jan 22, 2009 at 7:17 PM, Stefan Björk wrote:
> Hello helpers,
>
> This
Hello helpers,
This is probably quite simple, but I'm stuck.
I want to create a summary statistics table with frequencies and summary
statistics for a large number of variables. The problem here is that (1)
there are two different classes of categories (sex, type of substance abuse
and type of t
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