Yutaka TANAKA

Yutaka TANAKA
Adjunct Professor, Computational Statistics Group, Department of Data Science

Phone:	+81-3-5533-8500
E-mail:	ytanaka@ems.okayama-u.ac.jp
Date of Birth:	April, 1939
Education:	Bachelor of Engineering, Dept. of Mathematical Engineering, University of Tokyo, 1962
Degree:	Doctor of Science, Kyushu University, 1979, Title of Doctoral Thesis: On some generalized methods of optimal scaling
Employment:	1962-1979 Applied Mathematician and Statistician, Takeda Chemical Industries, ltd. 1979-1981 Associate Professor, College of Liberal Arts & Sciences, Okayama University 1981-1994 Professor, College of Liberal Arts & Sciences, Okayama University 1994-2004 Professor, Department of Environmental & Mathematical Sciences, Okayama University 2004-present Professor Emeritus, Okayama University 2004-2010 Professor, Dept. of Mathematical Sciences, Nanzan University 2010-present Adjunct Professor, Dept. of Data Science, The Institute of Statistical Mathematics
Honors & Awards:	Distinguished Achievement Award, Japanese Society of Computational Statistics, 1994. Outstanding Software Award, Japanese Society of Computational Statistics, 2005. Outstanding Services Award, Japanese Society of Computational Statistics, 2010.
Research Fields:	Multivariate Analysis, Computational Statistics, Applied Statistics
Research Themes:	Sensitivity analysis in multivariate methods, Variable selection in multivariate methods

Selected Papers
(1)Some generalized methods of optimal scaling and their asymptotic theories : the case of multiple responses - multiple factors (1978), Ann. Inst. Statist. Math., 30, 329-348.
(2)Optimal scaling for arbitrarily ordered categories (1979), Ann. Inst. Statist. Math., 31, 115-124.
(3)Some criteria for variable selection in factor analysis (1983), Behaviormetrika, 13, 31-45.
(4)Sensitivity analysis in Hayashi's third method of quantification (1984), Behaviormetrika, 16, 31-44.
(5)Sensitivity analysis in Hayashi's second method of quantification (1986), J. Japan Statist. Soc., 16, 44-60.(co-authored)
(6)Sensitivity analysis in principal component analysis : Influence on the subspace spanned by principal components (1988), Communications in Statistics, Theory and Methods, 17, 3157-3175.
(7)Influential observations in principal factor analysis (1989), Psychometrika, 54, 475-485.(co-authored)
(8)Sensitivity analysis in maximum likelihood factor analysis (1989), Communications in Statistics, Theory and Methods, 18, 3991-4010.(co-authored)
(9)Influence functions related to eigenvalue problems which appear in multivariate analysis (1989), Communications in Statistics, Theory and Methods, 18, 4067-4084.(co-authored)
(10)Quadratic perturbation expansions of certain functions of eigenvalues and eigenvectors and their application to sensitivity analysis in multivariate methods (1990), Communications in Statistics, Theory and Methods, 19, 2943-2965.(co-authored)
(11)Influence in covariance structure analysis: with an application to confirmatoy factor analysis (1991), Communications in Statistics, Theory and Methods, 20, 3805-3821.(co-authored)
(12)Recent advance in sensitivity analysis in multivariate methods (1994), J. Jpn. Soc. Comp. Statist., 7, 1-25.(co-authored)
(13)Principal component analysis based on a subset of variables: Variable selection and sensitivity analysis (1997), American Journal of Mathematical and Management Sciences, 17(1-2), 61-89.(co-authored)
(14)Statistical software SAMMIF for sensitivity analysis in multivariate methods (1997), Bulletin of the Computational Statistics of Japan, 10(2), 145-153.(co-authored)(in Japanese)
(15)R-mode and Q-mode influence analyses in statistical modelling: Relationship between influence function approach and local influence approach (1999), Computational Statistics & Data Analysis, 32, 197-218.(co-authored)
(16)Implementation of variable selection program for principal component analysis on WWW (2001), Proceedings of the Institute of Statistical Mathematics, 49, 277-292.(co-authored)(in Japanese)
(17)On local influence in canonical correlation analysis (2002), Communications in Statistics, Theory and Methods, 31, 2325-2347.(co-authored)
(18)Local influence in principal component analysis: Relationship between the local influence and influence function approaches revisited (2003), Computational Statistics & Data Analysis, 44(1-2), 143-160.(co-authored)
(19)Geographically weighted functional multiple regression analysis: A numerical investigation (2003), J. Jpn. Soc. Comp. Statist., 15(2), 307-317.(co-authored)
(20)Sensitivity analysis in functional principal component analysis (2005), Computational Statistics, 20(2), 311-326.(co-authored)
(21)Sensitivity analysis in functional regression models for scalar responses (2005), J. Jpn. Soc. Comp. Statist., 18(1), 61-73.(co-authored)
(22)Sensitivity analysis in kernel principal component analysis (2006), Proceedings of COMPSTAT2006, 787-794.(co-authored)
(23)Rotation of axes for principal component analysis (2008), Bulletin of the Computational Statistics of Japan, 19(2), 89-101.(co-authored)
(24)Performance of Hayashi's second method of quantification and two-step methods of linear discriminant analysis (2010), Bulletin of the Computational Statistics of Japan, 22(2), 91-108.(co-authored)
(25)Association study for the relationship between a haplotype or haplotype set and multiple quantitative responses (in press), Computational Statistics & Data Analysis.

Selected Publications
(1) Multivariate Statistical Methods, Gendai Suugaku Publishing, Kyoto (1983)(with K. Wakimoto)(in Japanese).
(2) Handbook of Statistical Analysis with Personal Computers I - Elementary Statistics, Kyoritsu Shuppan, Tokyo. (1984)(with K. Wakimoto and T. Tarumi)(in Japanese)
(3) Handbook of Statistical Analysis with Personal Computers II - Multivariate Analysis, Kyoritsu Shuppan, Tokyo (1984)(with K. Wakimoto and T. Tarumi)(in Japanese).
(4) Introduction to Experimental Designs with Personal Computers, Gendai Suugaku Publishing, Kyoto (1985)(in Japanese).
(5) Handbook of Statistical Analysis with Personal Computers III - Experimental Designs, Kyoritsu Shuppan, Tokyo (1986)(with T. Tarumi)(in Japanese).
(6) Handbook of Statistical Analysis with Personal Computers VI - Statistical Graphics, Kyoritsu Shuppan, Tokyo (1992)(with K. Wakimoto and T. Tarumi)(in Japanese).
(7) Handbook of Statistical Analysis - Multivariate Analysis, Kyoritsu Shuppan, Tokyo (1995)(with T. Tarumi)(in Japanese).
(8) Handbook of Statistical Analysis - Elementary Statistics, Kyoritsu Shuppan, Tokyo (1997)(with T. Tarumi)(in Japanese).
(9) Data Science, Classification, and Related Methods, Springer (1997)(with C. Hayashi et al.).
(10) Handbook of Statistical Analysis - Nonparametric Methods, Kyoritsu Shuppan, Tokyo (1999)(with T. Tarumi)(in Japanese).

Membership of Academic Societies
Japan Statistical Society, Japanese Society of Computational Statistics, Japanese Society of Applied Statistics, Japanese Society of Behaviourmetric Society, International Statistical Institute (ISI), International Association for Statistical Computing (IASC)

Professional Services
Japan Statistical Society (councilor 1988-1989, 1991-1994, 2002-2008), Japnese Society of Applied Statistics (associate editor 1986-1993, president 1998-1999), Japanese Society of Computational Statistics (chief editor 1987-1991, vice-president 1991-1992, associate editor 1992-present), The Behaviourmetric Society of Japan (associate editor 1995-2000), International Association for Statistical Computing (IASC) (vice-president 1995-1997, 2005-2007, president-elect 2007-2009 president 2009-2011), chair of Asian Regional Section (ARS) (2002-2005), CSDA associate editor/advisory board (1991-present), International Statistical Institute (ISI): member of program coordinate committees from IASC for ISI-99 and ISI-09.

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