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Home arrow Departments arrow Theoretical Methods arrow Department Staff arrow Witkovský, Viktor, Doc. RNDr. CSc.
Witkovský, Viktor, Doc. RNDr. CSc.
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Viktor Witkovsky Address

Dr. Viktor Witkovský
Institue of Measurement Science
Slovak Academy of Sciences
Dúbravská cesta 9
841 04 Bratislava, Slovak Republic

Education and Degrees

  • 2005, Doc. (docent) in mathematics at the Faculty of Mathematics, Physics and Informatics, Comenius University, Bratislava
  • 1997, Independent Scientific Worker (scientific qualification degree - IIa), Slovak Academy of Sciences, Bratislava
  • 1993, CSc. (Candidate of Sciences, equivalent to PhD degree) in probability and mathematical statistics, received at the Mathematical Institute of the Slovak Academy of Sciences, Bratislava
  • 1989-1992, PhD study, Institute of Measurement Science of the Slovak Academy of Sciences, Bratislava
  • 1986, RNDr. (Rerum Naturalis Doctor) in probability and mathematical statistics, Faculty of Mathematics and Physics, Comenius University, Bratislava

Experience

1986 - present, Institute of Measurement Science of the Slovak Academy of Sciences, Bratislava

  • 2006 - present, deputy director of the Institute of Measurement Science of the Slovak Academy of Sciences, Bratislava
  • 2005 - present, Chair of the Scientific Committee of the Institute of Measurement Science of the Slovak Academy of Sciences, Bratislava
  • 1998 - present, Head of the Departme of Theoretical Methods, Institute of Measurement Science of the Slovak Academy of Sciences, Bratislava
  • 1998-2006, Scientific secretary of the Institute of Measurement Science of the Slovak Academy of Sciences, Bratislava

Research Interests

  • Statistical inference for linear and non-linear mixed models
  • Theory and methods for small sample inference
  • Methods and algorithms for computing the exact and approximate statistical distributions
  • Theory of measurement science and metrology: expression of uncertainty in measurement, interlaboratory comparisons, calibration.
  • Data analysis and statistical applications in metrology, biomedicine, and econometrics.

Selected Publications

  • WITKOVSKÝ, V.: Estimation, testing, and prediction regions of the fixed and random effects by solving the Henderson's mixed model equations. Measurement Science Review 12 (6), 2012, 234-248. (Full text).
  • WIMMER, G. - WITKOVSKÝ, V.: Linear comparative calibration with correlated measurements. Kybernetika 43 (4), 2007, 443-452. (Link to full text pdf)
  • WITKOVSKÝ, V. - WIMMER, G.: Confidence interval for common mean in interlaboratory comparisons with systematic laboratory biases. Measurement Science Review 7 (Section 1, No. 6), 2007, 64-73. (Link to full text pdf )
  • WIMMER, G. - WITKOVSKÝ, V.: Univariate linear calibration via replicated errors-in-variables model. Journal of Statistical Computation and Simulation 77 (3), 2007, 213-227. (Link)
  • WITKOVSKÝ, V. - SAVIN, A. - WIMMER, G.: On small sample inference for common mean in heteroscedastic one-way model. Discussiones Mathematicae Probability and Statistics 23 (2), 2003, 123-145. (Abstract)
  • WITKOVSKÝ, V.: On the exact computation of the density and of the quantiles of linear combinations of t and F random variables. Journal of Statistical Planning and Inference 94 (1), 2001, 1-13. (Abstract)
  • WITKOVSKÝ, V.: Computing the distribution of a linear combination of inverted gamma variables. Kybernetika 37 (1), 2001, 79-90. (Journal)
  • WITKOVSKÝ, V.: Exact distribution of positive linear combinations of inverted chi-square random variables with odd degrees of freedom. Statistics & Probability Letters 56 (1), 2002, 45-50. (Abstract)

Publications and Citations

 
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