Re: [R] 1 dimensional optimization with local minima

, Division of Geriatric Medicine and Gerontology School of Medicine Johns Hopkins University Ph. (410) 502-2619 email: rvarad...@jhmi.edu - Original Message - From: Jeroen Ooms jeroen.o...@stat.ucla.edu Date: Tuesday, November 3, 2009 2:27 am Subject: [R] 1 dimensional optimization with local

[R] 1 dimensional optimization with local minima

: Mon, 2 Nov 2009 23:00:40 -0800 (PST) From: Jeroen Ooms jeroen.o...@stat.ucla.edu Subject: [R] 1 dimensional optimization with local minima To: r-help@r-project.org Message-ID: 26160001.p...@talk.nabble.com Content-Type: text/plain; charset=us-ascii I am using numerical optimization

[R] 1 dimensional optimization with local minima

I am using numerical optimization to fit a 1 parameter model, in which the input parameter is bounded. I am currently using optimize(), however, the problem turns out to have local minima, and optimize does not always seem to find the global minimum. I could to write a wrapping function that