19 T.W. Alexander Drive P.O.Box 14006 Research Triangle Park, NC 27709-4006 Tel: 919.685.9350 Fax: 919.685.9360 info@samsi.info

Graphical Models/Bayesian Methods
A Working Group in High Dimensional Inference and Random Matrices

Group Leader: Helene Massam

Webmaster: Bala Rajaratnam

Password Protected Site (future)

Announcements:

December 07, 2006 – 1:00 p.m. Presentation and discussion led by Prof. Jim Berger

Meeting Time: Thurdsay, 1:00-3:00
Location: NISS building, Room 203

WebEx

• Go to https://samsi.webex.com
• Click on the meeting you want to join.
• Enter Your Name, Your Email Address and the meeting password from the email.
1. The first time meeting manager will run and it will take about a minute to setup.
2. Now you are in the meeting and can use all the features of WebEx.
3. Make sure you are seeing the screen of the presenters, if not send a message or tell via phone.
4. You can learn more about WebEx and take tutorials at university.webex.com and login a guest.
5. WebEx URL is samsi.webex.com
6. Note: WebEx can run slowly on Unix machines.

Teleconference Line

• 919-685-9338
• Please dial no earlier than 5 minutes prior to working group meeting.

If you are having trouble with WebEx or the Teleconference line please call (919)685-9350.

Note: Until we can get the needed bandwidth, equipment, etc. for broadcasting meetings via a webcam, SAMSI will be employing the following process for remote participation in working groups. A webcam picture will be available for viewing during the meetings. However, for audio, participants will have to call into the conference line.

Meeting Activities

Date	Topics & Readings	Notes
09/28/06	Introduction to Graphical models
	Bickel and Levina (2006) – Regularized estimation of large covariance matrices
10/05/2006	Meinhausen and Buhlmann, (2006) High dimensional graphs and variable selection with the LASSO (Annals of Statistics)
10/12/2006	Dobra and West (2004) Bayesian Covariance Selection, Jones et al (2005), Experiments in Stochastic Computation for High-Dimensional Graphical Models
10/19/2006	Dobra and West (2004) Bayesian Covariance Selection
10/26/2006	Wainwright and Jordan (2003)
11/02/2006	Bayesian focus week Wainwright and Jordan (2003) - cont’d
11/09/2006	Graphical models workshop Wainwright and Jordan (2003) - cont’d
11/16/2006	Berger and Sun (2006): Presentation by Prof. Dongchu Sun and discussion	Webex-supported meeting
11/23/2006	Thanksgiving break
11/30/2006	Berger and Sun (2006): Continuation of presentation by Prof. Dongchu Sun and discussion	Webex-supported meeting
12/07/2006	Presentation and discussion led by Jim Berger (SAMSI) on 1) reference priors and 2) propriety and admissibility in choosing priors for matrices in hierarchical models	Webex-supported meeting
12/14/2006	To be announced

Group Members

Name	Affiliation	Email Address
Edo Airoldi	Carnegie Mellon	edo (at) cmu.edu
Carlos Carvalho	Duke	carlos (at) stat.duke.edu
Dipak Dey	Univ. of Connecticut	dey (at) stat.uconn.edu
Adrian Dobra	Univ. of Washington	adobra (at) u.washington.edu
Jianqing Fan	Princeton	jqfan (at) princeton.edu
Reza Rashidi Far	Queen's University	reza (at) mast.queensu.ca
Zhenglei Gao	Duke	zhenglei (at) stat.duke.edu
David Hoyle	Univ. of Manchester	david.hoyle (at) manchester.ac.uk
Yoshihiko Konno	Japan Women's University	konno (at) fc.jwu.ac.jp
Xiaodong Lin	Univ. of Cincinnati	linxd (at) math.uc.edu
Peng Liu	N.C. State	pliu3 (at) ncsu.edu
Jinchi Lv	Princeton	jlv (at) princeton.edu
Helene Massam	York University	massamh (at) yorku.ca
Mohsen Pourahmadi	Northern Illinois Univ.	pourahm (at) math.niu.edu
Bala Rajaratnam	SAMSI	br62 (at) samsi.info
Makram Talih	CUNY - Hunter College	talih (at) math.hunter.cuny.edu
Liang Zhang	Univ. of Michigan	liangzh (at) umich.edu
James Berger	SAMSI	berger (at) samsi.info
Thomas Diciccio	Cornell University	tjd9 (at) cornell.edu
Eitan Greenshtein	SAMSI	greenshtein (at) samsi.info
Zheng Lei	Duke University	zhenglei (at) stat.duke.edu
Ming Yuan	Georgia Tech	myuan (at) isye.gatech.edu
Woncheol Jang	University of Georgia	jang (at) uga.edu
Donald Richards	Pennsylvania state	richards (at) stat.psu.edu
Liang Zhang	Duke University	lz9 (at) stat.duke.edu
Dongchu Sun	University of Missouri-Columbia	dsun (at) stat.missouri.edu

Send your comments about this site to: Bala Rajaratnam