Dartmouth logo Dartmouth College Computer Science
Technical Report series
CS home
TR home
TR search TR listserv
By author: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
By number: 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987, 1986

Optimistic and Parallel Ising Model Estimation
James A. Brofos, Rui Shu
Dartmouth TR2015-766

Abstract: We consider a new method for estimating the structure of Ising graphical models from data. We assume that the data is observed with error, so that it is, in a sense, unreliable. We propose and investigate an ``optimistic'' estimator; that is, an approach that seeks to correct the log-likelihood objective function when some amount of the data is known to be mismeasured. We derive an interior point algorithm that constructs our estimator efficiently, and demonstrate that it leads naturally to a parallel procedure for recovering the graphical structure of Ising models. We show that the optimistic estimator has performance comparable to, and exceeding, regularized logistic regression in the presence of noise.


PDF PDF (324KB)

Bibliographic citation for this report: [plain text] [BIB] [BibTeX] [Refer]

Or copy and paste:
   James A. Brofos and Rui Shu, "Optimistic and Parallel Ising Model Estimation." Dartmouth Computer Science Technical Report TR2015-766, January 2015.


Notify me about new tech reports.

Search the technical reports.

To receive paper copy of a report, by mail, send your address and the TR number to reports AT cs.dartmouth.edu


Copyright notice: The documents contained in this server are included by the contributing authors as a means to ensure timely dissemination of scholarly and technical work on a non-commercial basis. Copyright and all rights therein are maintained by the authors or by other copyright holders, notwithstanding that they have offered their works here electronically. It is understood that all persons copying this information will adhere to the terms and constraints invoked by each author's copyright. These works may not be reposted without the explicit permission of the copyright holder.

Technical reports collection maintained by David Kotz.