[R] Proportions again

John Fox
2004-02-29T14:57:13Z

Dear Carlos,

prop.table() takes a table as its argument, so you could specify
prop.table(table(sex)). See ?prop.table for more details.

John

> -----Original Message-----
> From: r-help-bounces+jfox=mcmaster.ca at stat.math.ethz.ch
> [mailto:r-help-bounces+jfox=mcmaster.ca at stat.math.ethz.ch] On
> Behalf Of Carlos Mauricio Cardeal Mendes
> Sent: Sunday, February 29, 2004 9:35 AM
> To: r-help at stat.math.ethz.ch
> Subject: [R] Proportions again
>
> Hello.
>
> I asked before and it was great, cause as a beginner I
> learned a lot. But, if I have this in R (1 and 2 are codes for sex):
>
> > sex<-c(1,2,2,1,1,2,2,2)
> > sex
> [1] 1 2 2 1 1 2 2 2
>
> I?d like to obtain the proportion according to sex.So I type:
>
> > prop.table(sex)
> [1] 0.07692308 0.15384615 0.15384615 0.07692308 0.07692308
> 0.15384615 0.15384615 [8] 0.15384615
>
> The result is OK, but I expected to see a simple frequency
> table or something like that:
>
> 1   0.375
> 2   0.625
>      1.0
>
> How can I get this ?
>