Thanks, I know about it but i wat to find several local maxima, so in other
words I need a way to identify the places in the surface where both slopes
are equal to 0 and the second derivative is negative.


On Fri, May 4, 2012 at 9:28 AM, David Winsemius <dwinsemius@comcast.net>wrote:

>
> On May 3, 2012, at 6:09 PM, Diego Rojas wrote:
>
>  If a run a LOESS model and then produce a smoothed surface: Is there any
>> way to determine the coordinates of the local maxima on the surface?
>>
>
> ?predict    # it has a loess method.
>
>>
>>        [[alternative HTML version deleted]]
>>
>
> --
>
> David Winsemius, MD
> Heritage Laboratories
> West Hartford, CT
>
>

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