02, 2009 3:32 PM
To: 'Iason Christodoulou'
Cc: r-help@r-project.org
Subject: Re: [R] constrained optimisation in R.
Hi,
I know nothing about neither your model nor the Skellam distribution. I
will assume that it is a sensible model and that the parameters are
identifiable from the data.
h/People/Faculty_personal_pages/Varadhan.h
tml
_
From: Iason Christodoulou [mailto:c_iaso...@hotmail.com]
Sent: Thursday, July 02, 2009 2:58 PM
To: rvarad...@jhmi.edu
Subject: RE: [R] constrained optimisation in R.
$B&3(Bhe actual problem is:
Log ($B&K(
ursday, July 02, 2009 11:56 AM
To: r-help@r-project.org
Subject: [R] constrained optimisation in R.
i want to estimate parameters with maximum likelihood method with contraints
(contant numbers).
for example
sum(Ai)=0 and sum(Bi)=0
i have done it without the constraints but i realised that i have
i want to estimate parameters with maximum likelihood method with contraints
(contant numbers).
for example
sum(Ai)=0 and sum(Bi)=0
i have done it without the constraints but i realised that i have to use the
contraints.
Without constraints(just a part-not complete):
skellamreg_LL=function(pa
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