[R] how to do the concentration-time profiles in R?

Petr PIKAL
2012-05-07T07:09:52Z

>
> Hi, Dear all,
>
> Could you please tell me how to select specified column in dataset and
how
> to do

my.data[, x]
my.data[, "aa"]
my.data$aa


> the concentration-time profiles in R?

What is that?

Besides you could help youself a lot reading an intro to R which I believe
is in doc directory of your R installation.

Regards
Petr


>
> Thank you!
>
> xiaoc
>
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