[R] Non linear programming: choose R that minimizes corr(y, x^R)

[John Sorkin]

I really mean minimize.
John

 
John David Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology
Baltimore VA Medical Center
10 North Greene Street
GRECC (BT/18/GR)
Baltimore, MD 21201-1524
(Phone) 410-605-7119
(Fax) 410-605-7913 (Please call phone number above prior to faxing)>>> Bert Gunter <gunter.berton at gene.com> 2/5/2013 4:16 PM >>>
If you really mean "minimize" and not "maximize," I doubt that any
such R exists.

-- Bert

On Tue, Feb 5, 2013 at 1:08 PM, John Sorkin <jsorkin at grecc.umaryland.edu> wrote:
> I am looking for a package that will allow me to choose R (a real number) that minimizes the correlation of y and x^R, i.e.
> find R such that corr(y,x^R) is minimized. Any suggestions for packages I might look at would be helpful.
> Thanks,
> John
>
>
> John David Sorkin M.D., Ph.D.
> Chief, Biostatistics and Informatics
> University of Maryland School of Medicine Division of Gerontology
> Baltimore VA Medical Center
> 10 North Greene Street
> GRECC (BT/18/GR)
> Baltimore, MD 21201-1524
> (Phone) 410-605-7119
> (Fax) 410-605-7913 (Please call phone number above prior to faxing)
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-- 

Bert Gunter
Genentech Nonclinical Biostatistics

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