--- Manuele Pesenti
<[EMAIL PROTECTED]> wrote:

> Dear R user,
> 
> how can I update a data.frame adding new lines?

?rbind

> I need to create a second data frame from a first
> one with only some of their 
> entrys filtering the value of a specific column...
> How can I do this?

?subset 
> 
> thankyou very much in advance
> best regards
>       Manuele PEsenti
> 
> -- 
> Manuele Pesenti
>       [EMAIL PROTECTED]
>       [EMAIL PROTECTED]
>       http://mpesenti.polito.it
> 
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained,
> reproducible code.
>

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