Geoff Nicholls

Geoff Nicholls

Statistical modeling, Bayes Methods, Monte Carlo Methods.

I am an Associate Professor in Statistics at the University of Oxford and a Tutorial Fellow of St Peter’s College. I was Head of the Statistics Department at Oxford from 2012-2015.

Publications

2017

  • L. J. Kelly, G. K. Nicholls, Lateral transfer in Stochastic Dollo models, Annals of Applied Statistics, vol. 11, no. 2, 1146–1168, 2017.
  • A. K. Styring, M. Charles, F. Fantone, M. M. Hald, A. McMahon, R. H. Meadow, G. K. Nicholls, A. K. Patel, M. C. Pitre, A. Smith, A. Sołtysiak, G. Stein11, J. A. Weber, H. Weiss, A. Bogaard, Isotope evidence for agricultural extensification reveals how the world’s first cities were fed, Nature Plants, to appear, 2017.

2016

  • E. Matechou, G. Nicholls, B. Morgan, J. Collazo, J. Lyons, Bayesian analysis of Jolly-Seber type models: Incorporating heterogeneity in arrival and departure, Environmental and Ecological Statistics, vol. 23, no. 4, 531–547, 2016.

2011

  • R. Ryder, G. Nicholls, Missing data in a stochastic Dollo model for binary trait data, and its application to the dating of Proto-Indo-European, Journal of the Royal Statistical Society. Series C: Applied Statistics, vol. 60, no. 1, 71–92, 2011.

2009

  • D. Roy, G. Nicholls, C. Fox, Imaging convex quadrilateral inclusions in uniform conductors from electrical boundary measurements, Statistics and Computing, vol. 19, no. 1, 17–26, 2009.

2008

  • G. Nicholls, Horses or farmers? The tower of Babel and confidence in trees, Significance, vol. 5, no. 3, 112–117, 2008.
  • G. Nicholls, R. Gray, Dated ancestral trees from binary trait data and their application to the diversification of languages, Journal of the Royal Statistical Society. Series B: Statistical Methodology, vol. 70, no. 3, 545–566, 2008.

2005

  • Q. Atkinson, G. Nicholls, D. Welch, R. Gray, From words to dates: Water into wine, mathemagic or phylogenetic inference?, Transactions of the Philological Society, vol. 103, no. 2, 193–219, 2005.
  • D. Welch, G. Nicholls, A. Rodrigo, W. Solomon, Integrating genealogy and epidemiology: The ancestral infection and selection graph as a model for reconstructing host virus histories, Theoretical Population Biology, vol. 68, no. 1, 65–75, 2005.
  • I. McKeague, G. Nicholls, K. Speer, R. Herbei, Statistical inversion of South Atlantic circulation in an abyssal neutral density layer, Journal of Marine Research, vol. 63, no. 4, 683–704, 2005.

2004

  • G. Ewing, G. Nicholls, A. Rodrigo, Using temporally spaced sequences to simultaneously estimate migration rates, mutation rate and population sizes in measurably evolving populations, Genetics, vol. 168, no. 4, 2407–2420, 2004.
  • A. Mira, G. Nicholls, Bridge estimation of the probability density at a point, Statistica Sinica, vol. 14, no. 2, 603–612, 2004.

2002

  • M. Jones, G. Nicholls, New radiocarbon calibration software, Radiocarbon, vol. 44, no. 3, 663–674, 2002.
  • A. Drummond, G. Nicholls, A. Rodrigo, W. Solomon, Estimating mutation parameters, population history and genealogy simultaneously from temporally spaced sequence data, Genetics, vol. 161, no. 3, 1307–1320, 2002.
  • S. Holdaway, P. Fanning, M. Jones, J. Shiner, D. Witter, G. Nicholls, Variability in the chronology of late Holocene aboriginal occupation on the arid margin of Southeastern Australia, Journal of Archaeological Science, vol. 29, no. 4, 351–363, 2002.

2001

  • G. Nicholls, M. Jones, Radiocarbon dating with temporal order constraints, Journal of the Royal Statistical Society. Series C: Applied Statistics, vol. 50, no. 4, 503–521, 2001.
  • M. Jones, G. Nicholls, Reservoir offset models for radiocarbon calibration, Radiocarbon, vol. 43, no. 1, 119–124, 2001.
  • G. Nicholls, Spontaneous magnetization in the plane, Journal of Statistical Physics, vol. 102, no. 5-6, 1229–1251, 2001.

2000

  • F. Colin, G. Nicholls, M. Palm, Efficient solution of boundary-value problems for image reconstruction via sampling, Journal of Electronic Imaging, vol. 9, no. 3, 251–259, 2000.

1999

  • C. Fox, M. Palm, G. K. Nicholls, Efficient, exact PDE solutions for MCMC, in Proceedings of SPIE - The International Society for Optical Engineering, 1999, vol. 3816, 23–30.

1998

  • G. Nicholls, Bayesian image analysis with Markov chain Monte Carlo and coloured continuum triangulation models, Journal of the Royal Statistical Society. Series B: Statistical Methodology, vol. 60, no. 3, 643–659, 1998.
  • C. Fox, G. Nicholls, Physically based likelihood for ultrasound imaging, in Proceedings of SPIE - The International Society for Optical Engineering, 1998, vol. 3459, 92–99.
  • G. Nicholls, C. Fox, Prior modeling and posterior sampling in impedance imaging, in Proceedings of SPIE - The International Society for Optical Engineering, 1998, vol. 3459, 116–127.