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Jeffrey A. (Andy) Royle |
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Telephone: 301-497-5846 Fax: 301-497-5545 Email: aroyle@usgs.gov Research Statistician
Dr. Royle is a Research Statistician engaged in the development of statistical methods and analytic tools for animal demographic modeling, statistical inference and sampling wildlife populations and communities. His current research is focused on hierarchical models of animal abundance and occurrence, Bayesian analysis in ecology, and spatial modeling. |
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Education/Training: Ph.D. (Statistics), North Carolina State University, 1996. M.St. (Statistics), North Carolina State University, 1993 B.S. (Fisheries and Wildlife Management), Michigan State University, 1990 |
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| Areas of Expertise/Interest: Bayesian analysis, hierarchical modeling, spatial statistical modeling, quantitative population ecology, sampling biological populations | |
| Accomplishments/Awards/Achievements: FWS On-the-Spot Award, 1999 FWS Star Award, 2001 USGS-PWRC Scientific Achievement Award, 2002 USGS-PWRC Star Award, 2002 |
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Active Projects: Hiearchical models of species occurrence and abundance Modeling animal community structure using species-level models of occurrence Spatial modeling of abundance and distribution Spatial capture-recapture models
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Selected Publications/Products: Royle, J.A. 2007. Modeling individual effects in the Cormack-Jolly-Seber Model: A State-space formulation. Biometrics (to appear). Hooten, M.B., C.K. Wikle, R.M. Dorazio and J.A. Royle. 2007. Hierarchical matrix models for characterizing invasions. Biometrics (in press). Royle, J.A., R.M. Dorazio and W.A. Link. 2007. Analysis of multinomial models with unknown index using data augmentation. Journal of Computational and Graphical Statistics 16, 67-85. Royle, J.A. and W.A. Link. 2006. Generalized site occupancy models allowing
for false positive and false negative errors. Ecology 87(4):835-841. Royle, J.A., J.D. Nichols and M. Kery. 2005. Modeling Occurrence
and Abundance of Species with Imperfect Detection. Oikos 110:353-359. Dorazio, R.M. and J.A. Royle. 2005. Estimating size and composition of
biological communities by modeling the occurrence of species. Journal of
the American Statistical Association, 100, 389-398. Royle, J.A. and W.A. Link. 2005. A general class of multinomial mixture models
for anuran calling survey data. Ecology 86:2505-2512. Royle, J.A., and P. Garrettson. 2005. The effect of reward band value on mid-continent mallard band reporting rates. Journal of Wildlife Management 69:800-804. Royle, J.A., D.K. Dawson, and S. Bates. 2004. Modeling abundance effects in distance sampling. Ecology 85(6):1591-1597. Royle, J.A. 2004. N-Mixture Models for estimating population size from spatially replicated counts. Biometrics 60(1):108-115. Doherty, P.F., G. Sorci, J.A. Royle, J.E. Hines, J.D. Nichols, and
T. Boulinier. 2003. Sexual selection affects local extinction and turnover.
Proceedings of the National Academy of Science 100:5858-5862. Royle, J.A. and J.D. Nichols. 2003. Estimating abundance from repeated
presence absence data or point counts. Ecology 84(3):777-790. Royle, J.A., M. Koneff and R. Reynolds. 2002. Spatial modeling of wetland condition in the U.S. Prairie Pothole Region. Biometrics 8(2):104-113. |
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