Did you search the internet? At first attempt,
vegdist {vegan} (worked well for me in the past) and
dist.binary {ade4}
seem to offer what you need.
HTH, Michael
> -----Original Message-----
> From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of sreenath
> Sent: Mittwoch, 15. Juli 2015 09:35
> To: r-help at r-project.org
> Subject: [R] Jaccard index
>
> How can i find jaccard index of two groups,which package is to be used?
> please help
>
>
>
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