[R] how to find how many modes in 2 dimensions case

[Patrick Wang]

Thanks for the reply,

maybe I shall say bumps, I can use persp to show a density on a X Y
dimensions.
one peak is one mode I think. I try to find an automatic way to detect how
many peaks of the densities.

Pat
> Note that "the number of modes" (local maxima??)  is a function of the
> bandwidth, so I'm not sure your question is even meaningful.
>
> Bert Gunter
> Genentech Nonclinical Statistics
> South San Francisco, CA 94404
> 650-467-7374
>
> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Patrick Wang
> Sent: Friday, June 08, 2007 11:54 AM
> To: R-help at stat.math.ethz.ch
> Subject: [R] how to find how many modes in 2 dimensions case
>
> Hi,
>
> Does anyone know how to count the number of modes in 2 dimensions using
> kde2d function?
>
> Thanks
> Pat
>
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