Contact Info
General Info
Research
Teaching
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Curriculum Vitae

My research interests are in applied statistics (especially orientation statistics) and statistical computing.

Reports and Preprints

"Orientlib: an R package for orientation data".
        Journal of Statistical Software, 8(19), 1-11, 2003
        PDF from JSS (about 217K)
        R source from CRAN
        Abstract

"Uniqueness, consistency and optimality in spherical regression experiments" (authors Shin, H.H., Takahara, G.K. and Murdoch, D.J.).
        Statistics and Probability Letters, 54, 61-65, 2001
        PDF (about 86K)
        Abstract

"RGL: An R Interface to OpenGL".
        Presented at DSC 2001, Vienna.
        Postscript (about 730K)
        Abstract

"Towards Perfect Sampling for Bayesian Mixture Priors".
        In ISBA 2000 Proceedings.
        Postscript (about 600K)
        Abstract

"Exact Sampling for Bayesian Inference: Unbounded State Spaces".

Presented as an invited paper at the Workshop on Monte Carlo Methods at the Fields Institute, October, 1998

Postscript (about 311K)

Abstract

 

"Extension of Fill's Perfect Rejection Sampling Algorithm to General Chains" (jointly written with Jim Fill and Motoya Machida of Johns Hopkins University and Jeffrey Rosenthal of the University of Toronto).

Postscript of extended abstract (less technical) (about 1.3M, revised Oct 1/99)

Postscript of full version (about 1.3M)

Abstract

 

"Efficient Use of Exact Samples" (jointly written with Jeffrey Rosenthal of the University of Toronto). Presented as a contributed poster at the 6th Valencia International Meeting on Bayesian Statistics, Alcossebre, Spain, June 1998. Revised November 24, 1998.

Postscript (about 785K).

Abstract

 

"Exact sampling for Bayesian inference: towards general purpose algorithms" (jointly written with Peter Green of the University of Bristol). Presented as an invited paper at the 6th Valencia International Meeting on Bayesian Statistics, Alcossebre, Spain, June 1998.

Postscript (about 340K).

Postscript from a UK site.

Abstract

 

"Exact Sampling from a Continuous State Space" (jointly written with Peter Green of the University of Bristol). Scandinavian Journal of Statistics 25, 483--502, 1998.

Abstract

 

"Random Walk Approximations to Confidence Intervals". Presented at the QISM conference in Cochin, India on Dec 29, 1996.

Postscript (about 660K).

 

"Calibration of a magnetic tracking device and long range transmitter using locally linear fits". In the Proceedings of the North American Congress on Biomechanics, Waterloo, August, 1998. 25, 483--502, 1998.

PDF (about 161 KB)

Abstract

The University of Surrey hosts the MCMC Preprint Service, a very good source of information on Markov chain Monte Carlo research.

David Wilson maintains a bibliography of perfect sampling papers.