[R] Question about subset

[David Winsemius]

Sent from my iPhone

> On Apr 8, 2018, at 9:06 PM, Sebastien Bihorel <sebastien.bihorel using cognigencorp.com> wrote:
> 
> Hi,
> 
> The help page for subset states "subset: logical expression indicating elements or rows to keep: missing values are taken as false."
> 
> Before I try to re-invent the wheel, I would like to know if one of the base or recommended packages would contain a variant of the subset function that would consider missing values as true.
> 
Just use a Boolean expression 

is.na(col)|(col==0)

> Thanks
> 
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