[R] counting the number of ones in a vector

[Henrique Dallazuanna]

Try:

sum(x == 1)

On Fri, Feb 26, 2010 at 11:40 AM, Randall Wrong <randall.wrong at gmail.com> wrote:
> Dear R users,
>
> I want to count the number of ones in a vector x.
>
> That's what I did : length( x[x==1] )
>
> Is that a good solution ?
> Thank you very much,
> Randall
>
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>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O