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

From: Patrick Wang <pwang_at_berkeley.edu>
Date: Fri, 08 Jun 2007 12:34:47 -0700 (PDT)

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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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Fri 08 Jun 2007 - 19:58:10 GMT

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