[R] add line to data.frame

[Manuele Pesenti]

Dear R user,

how can I update a data.frame adding new lines?
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?

thankyou very much in advance
best regards
	Manuele PEsenti

-- 
Manuele Pesenti
	manuele a inventati.org
	amicogodzilla a jabber.linux.it
	http://mpesenti.polito.it