Department of Mathematics and Statistics Faculty of Science Faculty of Social Sciences

Dario Gasbarra

Docent
Division of biometry

Dario Gasbarra
Department of Mathematics and Statistics
P.O. Box 68
FIN-00014, University of Helsinki, Finland

Email: dario (dot) gasbarra (at) helsinki (dot) fi
Phone: +358 9 191 51476
Fax: +358 9 191 51400
Visiting address: Exactum, Gustaf Hällströmin katu 2b, room A 407
Officially I receive students on mondays from 12-14 p.m.

Statistics, stochastic processes, mathematical finance.

Spring 2008/Kevät 2008

Fall 2008/Syksy 2008

Spring 2009/Kevät 2009

• List of publications
  
  
• Introductory chapter from my Ph.D Thesis: Bayesian inference for models based on point processes, by using Markov chain methods. University of Oulu, 1997.
  
  
• Recent Research Reports and papers available electronically:
  

  Particle filters for counting process observations (January 2001, communicated).
  
  Analysis of competing risks by using Bayesian smoothing. Joint work with S. B. Kulathinal Karia , KTL Scandinavian Journal of Statistics, 27 (2000) 605-617, with figures. figure 1 figure 2 figure 3 figure 4
  
  Estimation of an errors-in-variables regression model when the variances of the measurement vary between the observations.. Joint work with S. B. Kulathinal Karia , and Kari Kuulasmaa , KTL ( Statistics in Medicine, (2002) 21(8) 1089-1101 ).
  
  Testing equality of cause-specific hazard rates corresponding to m competing risks among K groups . Joint work with S. B. Kulathinal Karia , KTL ( Lifetime Data Analysis (2002) 8(2), 147-161 ).
  
  

Joint modelling of recurrent infections and antibody response by Bayesian data augmentation. Joint work with Mervi Eerola, Andrei Andreev, Pirjo Mäkelä and Henri Linden. (Scandinavian Journal of Statistics(2003) 30 (4) 677-698 ).

Testing dependence between the failure time and failure modes: An application of enlarged filtration (2006, Journal of Statistical Planning and Inference 136, 1669-1686). Joint work with S. B. Kulathinal Karia , Aulikki Nissinen (KTL), and Isha Dewan (Indian Statistical Institute).

Initial enlargement: a Bayesian approach (2003). Joint work with Esko Valkeila (Theory of Stochastic Processes Vol. 9 (25), no. 3-4, pp 26-37).

Backward simulation of ancestors of sampled individuals (2005, Theoretical Population Biology, 67:75-83). Joint work with Mikko J. Sillänpää and Elja Arjas.

Sillanpää, M. J., D. Gasbarra, and E. Arjas (2004):
Comment on the "On the Metropolis-Hastings acceptance probability to add or drop a quantitative trait locus in Markov Chain Monte Carlo-based Bayesian analyses". Genetics 167: 1037-1037.

Finding consistent gene transmission patterns on large and complex pedigrees (2006). Joint work with Matti Pirinen . IEEE Transactions in Computational Biology and Bioinformatics vol 3. No.3 252-262.

Enlargement of filtration and additional information in pricing models: A Bayesian approach (2006). Joint work with Esko Valkeila and Lioudmila Vostrikova. Published in "The Shiryaev Festschrift, from Stochastic Calculus to Mathematical Finance", edited by Kabanov Liptser and Stoyanov, pp 257-285, Springer Berlin.

Gaussian bridges (2004). Joint work with Tommi Sottinen and Esko Valkeila , to appear in Proceedings of the Abel Symposium 2005.

Constructing parental linkage phase and genetic map over distances < 1 cM using pooled haploid DNA . Joint work with Mikko J. Sillänpää . Genetics, February 2006 172 (2), 1325-1335.

Estimating genealogies from marker data: a Bayesian approach (2006). Joint work with Matti Pirinen , Mikko J. Sillänpää and Elja Arjas. BMC Bioinformatics, 8:411 .

Estimating genealogies from unlinked marker data: a Bayesian approach (2007). Joint work with Matti Pirinen , Mikko J. Sillänpää , Elina Salmela and Elja Arjas. Theoretical Population Biology 72, 305-322 .

Juha Karvanen, Sangita Kulathinal, Dario Gasbarra (2008) "Optimal designs to select individuals for genotyping conditional on observed binary or survival outcomes and non-genetic covariates". Computational Statistics and Data Analysis doi:10.1016/j.csda.2008.02.010

Kulathinal S., Gasbarra D., Kinra S., Ebrahim S., and Sillanpää M.J. (2008). Estimation of additive genetic and environmental sources of quantitative trait variation using data on married couples and their siblings. Genetics Research 90 269-279.

Pirinen, M., Kulathinal, S., Gasbarra, D. and Sillanpää, M. (2008). Estimating population haplotype frequencies from pooled DNA samples using PHASE algorithm. Genetic Research 90(6):525-40.

Gasbarra, D., Kulathinal, S., Pirinen, M. and Sillanpää, M. (2009). Estimating haplotype frequencies by combining data from large DNA pools with database information. IEEE/ACM Transactions on Computational Biology and Bioinformatics (in press).

Gasbarra D, Pirinen M, Sillanpää, MJ and Arjas E. (2009) Bayesian quantitative trait locus mapping based on reconstruction of recent genetic histories. Genetics 183, 709-721.