[R] drop observations

[David Winsemius]

On Dec 30, 2010, at 4:54 PM, Charlène Cosandier wrote:

> Hi,
>
> I want to drop observations with value 0 from my data.frame "dta"  
> for each
> of the two variables "c01" and "ctotale". How can I do that?
>
> Thanks
>
>

subset(dta, !( c01==0 | ctotale==0) )

... remembering of course to assign this result to some appropriately  
named object.


> Charlène Lisa Cosandier
>
> 	[[alternative HTML version deleted]]
--

David Winsemius, MD
West Hartford, CT