[R] Parameter of a function used after $ in a data frame

[Rui Barradas]

I don't believe I understand your question, but here it goes.

dat <- data.frame(x = rnorm(100), y = runif(100))

mean(dat$x)

Hope this helps,

Rui Barradas

Em 13-08-2014 12:33, madhvi.gupta escreveu:
> Hi,
> Can anyone please tell me how to use a argument of a function after $
> sign of a data frame.That argument is one of the column name of the data
> frame.
>
> Thanks,
> Madhvi
>
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