[R] How to construct a double-entry with variables from a dataset

[ruipbarradas at sapo.pt]

Hello,

Is this what you mean?

dat <- data.frame(x = rnorm(100), A = factor(sample(3, 100, TRUE)), B  
= factor(sample(3, 100, TRUE)))
xtabs(~ A + B, dat)


Hope this helps,

Rui Barradas


Citando Andrea Marcela Huerfano Barbosa <anmhuerfanoba at unal.edu.co>:

> Hi everyone,
> My name is Marcela, I am bachelor student of statistics.
> I have a data frame with 59 variables and two of them are categorical  and
>  have three levels each one,  I would like to construct a double -entry
> table with this variables, I mean the categorical ones.
>
> Any help will be really thankful
>
> Thanks for reading
> Andrea Marcela
> --
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