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Department of Statistics

Apostolos Gkatzionis

I am a fourth-year PhD student at the Department of Statistics, University of Warwick. Briefly, my research is on the presentation of results of (Bayesian) inference on statistical models containing categorical explanatory variables. My supervisor is Professor David Firth.

More generally, I am interested in many areas of Statistics, including (but not limited to):

  • Generalized Linear Models
  • Nonparametric Statistics
  • Spline Methods in Statistics
  • Data Visualization

Publications

"An Approximation for the Multivariate Posterior Distribution of Parameter Contrasts", A. Gkatzionis. In preparation.

Conferences - Talks - Posters

  • July 2015: European Meeting of Statisticians (EMS) 2015, Amsterdam, Netherlands. Gave a talk with title "An Approximation for the Multivariate Posterior Distribution of Parameter Contrasts".
  • May 2015: Intractable Likelihoods (i-Like) Workshop 2015, Bristol, UK. Presented a poster with title "Calculation of Kolmogorov-Smirnov Distances by Simulated Annealing".
  • December 2014: Greek Stochastics Conference 2014, Athens, Greece.
  • September 2014: Royal Statistical Society (RSS) Conference 2014, Sheffield, UK. Presented a poster with title "On the Presentation of Results of Bayesian Inference on Statistical Models Containing Categorical Explanatory Variables".
  • July 2014: International Society for Bayesian Analysis (ISBA) World Meeting 2014, Cancun, Mexico. Presented a poster with title "An Approximation for the Multivariate Posterior Distribution of Parameter Contrasts".
  • May 2014: CRiSM Council/Postgraduate Research Day, Warwick, UK. Assisted in the organisation and gave a talk with title "An Approximation for the Multivariate Posterior Distribution of Parameter Contrasts.".
  • April 2014: Research Students' Conference (RSC) 2014, Nottingham, UK. Gave a talk with title "An Approximation for the Multivariate Posterior Distribution of Parameter Contrasts".
  • April 2014: Gregynog Conference 2014, Gregynog, UK.
  • March 2014: Intractable Likelihoods (i-Like) Workshop 2014, Oxford, UK. Presented a poster with title "An Approximation for the Multivariate Posterior Distribution of Parameter Contrasts".
  • March 2014: Gave a talk at the Young Researchers' Meeting (YRM) Seminar series of the Department of Statistics at Warwick, with title "Quasi-variances and Quasi-densities".
  • February 2014: CRiSM Workshop - Big Data in Biomedicine: Big Models?.
  • November 2013: Midlands Statistics Workshop, Nottingham, UK. Gave a talk with title "On the Presentation of Results of Bayesian Inference on Statistical Models Including Categorical Predictors".
  • May 2013: Intractable Likelihoods (i-Like) Workshop 2013, Warwick, UK.
  • April 2013: Gregynog Conference 2013, Gregynog, UK.
  • March 2013: Research Students' Conference (RSC) 2013, Lancaster, UK. Gave a talk with title "Bayesian Quasi-variances".
  • Throughout 2012: Academy for PhD Training in Statistics (APTS). Four weeks of courses in Cambridge, Nottingham, Warwick and Glasgow.

Previous Education

  • 2011 - 2015: Doctor of Philosophy (PhD), Department of Statistics, University of Warwick.
  • 2010 - 2011: Masters of Advanced Studies (MASt), in Mathematics, University of Cambridge (with Merit). Dissertation title: "Assessing Probability Distributions", supervisor: Prof. Philip Dawid.
  • 2006 - 2010: Undergraduate degree in Mathematics, National and Kapodistrian University of Athens, Greece (with Distinction).

Teaching Experience

Throughout my PhD I have taught tutorials and exercise classes in the following undergraduate courses, in the Department of Statistics at Warwick:

Other

  • For the 2013-2014 academic year, I was co-organiser of the Young Researchers' Meetings (YRM) seminar series, together with Tom Honnor.
  • While at Warwick, I am regularly attending the CRiSM seminar series. I have also participated in two reading groups, one on Mathematical Statistics (in the 2011-2012 academic year) and one on Spatial Statistics (in 2013-2014).
  • I am a student member of ISBA, RSS and IMA.

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*** For the 2014-2015 academic year, I am the SSLC representative for 4th-year PhD students. If you want to raise any issues in the SSLC, please contact me, in person or by email.

Email Address: A.Gkatzionis@warwick.ac.uk

Mailing Address:
Department of Statistics
University of Warwick
Coventry
CV4 7AL

Location:

Office C1.03, Zeeman Building

To love is to want the other person to be happy, even if you 're not part of their happiness.