[R] Huber-white cluster s.e. after optim?

[Charles Annis, P.E.]

I concur! 

Charles Annis, P.E.

Charles.Annis at StatisticalEngineering.com
phone: 561-352-9699
eFax:  614-455-3265
http://www.StatisticalEngineering.com
 
-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On
Behalf Of Rolf Turner
Sent: Wednesday, April 09, 2008 10:22 PM
To: R-help List
Subject: Re: [R] Huber-white cluster s.e. after optim?


On 10/04/2008, at 2:02 PM, <Bill.Venables at csiro.au> wrote:

> In many cases a) often looks difficult, but on closer inspection turns
> out to be impossible

I nominate this for a fortune.

	cheers,

		Rolf Turner

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