Current Research Projects

• Precipitation modeling (with Tamre Cardoso, Wendy Meiring (UC Santa Barbara)
  • Probability forecasting using a NHMM for precipitation
  • Hierarchical Bayes model for combining precipitation data from different sources

    Papers

• Covariance estimation (with Paul Sampson)
  • Bayesian nonparametric estimation of spae-time mean and spatial covariance

  • Papers

• Environmental standards (with Sofia Aberg, Lund and Nicola Loperfido, Urbino)
  • Statistical aspects of air quality standards

  • Paoers

• Biological monitoring (with Dean Billheimer (Utah), Grace Chiu (Waterloo))
  • Space-time models for proportions
  • Index measures for benthic invertebrates in streams

  • Papers

  Wavelets (with Don Percival, Debashis Mondal (Chicago), Chris Bretherton (Atmospheric Sciences), Peter Craigmile (Ohio State))
  • Applications to atmospheric science
  • Trend assessment
  • Space-time wavelets

  • Papers

• Hematopoiesis (with Jan Abkowitz (Hematology), Youyi Fong, Sandra Catlin (UNLV), Daniela Golinelli (Rand), Bryan Shepherd (Vanderbilt))
  • Stochastic models for hematopoiesis in animals
  • MCMC for hidden compartment models

  • Papers and data

• History of stochastic processes (with Tilmann Gneiting)
  • The origin of the Poisson process
  • The scientific basis for continuous time Markov chains
  • The origin of the Matern covariance function

  • Papers

• Inference for stochastic processes (with Richard Lockhart (SFU), Daniela Golinelli (Rand))
  • Maximum likelihood estimation of the variance in a Bienayme-Galton-Watson process
  • Bayesian inference for stochastic processes