RESEARCH INTERESTS:
Time Series, Nonparametric Bayesian, Proteomics,
Sequential Design and Functional MRI
SELECTED PUBLICATIONS:
( vita )
Gu, J., Ghosal, S and Roy, A. (2008). Bayesian Bootstrap Estimation of ROC Curves.
Statistics in Medicine, Accepted.
Roy, A., Ghosal, S and Rosenberger, W. F. (2008). Convergence Properties of Sequential Bayesian D-Optimal
Designs with Application to Phase I Clinical Trials.
Journal of Statistical Planning and Inference, Accepted.
Safavi, H., Correa, N., Adali, T., Roy, A., Sellier-Moiseiwitsch, F. (2008). Independent Component Analysis
of 2D Electrophoresis Gels. Electrophoresis. Accepted.
Tang, Y., Ghosal. S. and Roy, A. (2007).
A Nonparametric Bayesian Estimator for the False Discovery Rate.
Biometrics, 63, 1126-1134.
Roy, A., Bhaumik, D. K., Aryal, S. and Gibbons, R. D. (2007).
Sample Size Determination for Hierarchical
Longitudinal Designs With Differential Attrition Rates. Biometrics, 63, 699-707
Choudhuri, N., Ghosal, S. and Roy, A. (2007).
Nonparametric binary regression using a Gaussian process prior.
Statistical Methodology 4, 227-243.
Ghosal, S. and Roy, A. (2006). Posterior Consistency of Gaussian Process Prior for Nonparametric
Binary Regression.
Annals of Statistics. 34, 2413--2429.
Potra, F., Liu, X., Seillier-Moiseiwitsch, F., Roy, A., Hang, Y., Marten, M. and Raman, B. (2006).
Protein Image Alignment via Piecewise Affine Transformations.
Journal of Computational Biology. 13, 614--630.
Roy, A. and Mathew, T. (2005).
A Generalized Confidence Limit for the Reliability Function of the
Two-Parameter Exponential Distribution.
Journal of Statistical Planning and Inference, 128, 509--517.
Falk, B. and Roy, A. (2005).
Forecasting Using the Trend Model with Autoregressive Errors.
International Journal of Forecasting, 21, 291--302.
Roy, A., Falk, B. and Fuller, W. A. (2004).
Testing for Trend in Presence of Autoregressive Error.
Journal of the American Statistical Association, 99, 1082--1091.
Choudhuri, N., Ghosal, S. and Roy, A. (2004).
Bayesian Estimation of the Spectral Density of a Time Series.
Journal of the American Statistical Association, 99, 1050--1059.
Choudhuri, N., Ghosal, S. and Roy, A.. (2004).
Contiguity of the Whittle Measure for a Gaussian Time Series.
Biometrika, 91, 211--218.
Roy, A., Seillier-Moiseiwitsch, F., Lee, K., Hang, Y., Marten, M. R., and Raman, B. (2003).
Analyzing Two-Dimensional Gel Images.
Chance, 16, 13--18. (Special issue on Proteomics)..
Roy, A. and Fuller, W. A. (2001).
Estimation for Autoregressive Time Series With a Root Near 1.
Journal of Business and Economic Statistics, 19, 482--93.
EXTERNAL FUNDING:
National Institute of Health, 2005-2008. Beyond Spots and Peaks: Integrated Analytical Methods in Proteomics. Co-PI.
National Science Foundation, 2004-2006. REU: Summer Program in Computational Biology. Co-PI
Metron Aviation Inc., 2002-2003 Statistical Analysis of Air-Traffic Data. PI
Freddie Mac Inc, 1999-2000. Forecasting House Price Index PI
TEACHING:
classes taught