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Re: Re: st: Problem with ml maximize: numerical derivatives are approximate
From
Christopher Baum <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: Re: st: Problem with ml maximize: numerical derivatives are approximate
Date
Wed, 1 Dec 2010 08:49:16 -0500
<>
On Dec 1, 2010, at 2:33 AM, Maarten wrote:
> I have done the latter, but recently I have learned from the latest
> edition of Gould et al. (2010) that you can also do the former and
> that than you can use some very convenient utilities/short-cuts.
Also note that all numeric objects in Mata are held in the equivalent of -double-, so there is no loss of precision. In addition Mata has a number of functions whose names start with -quad- which perform common computations in the equivalent of quad precision.
Kit
Kit Baum | Boston College Economics & DIW Berlin | http://ideas.repec.org/e/pba1.html
An Introduction to Stata Programming | http://www.stata-press.com/books/isp.html
An Introduction to Modern Econometrics Using Stata | http://www.stata-press.com/books/imeus.html
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