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

Petr PIKAL petr.pikal at precheza.cz
Mon May 7 09:09:52 CEST 2012


> 
> 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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