Nanny Wermuth, Professor emerita of Statistics, Ph.D Mathematical Sciences Chalmers University of Technology 41296 Gothenburg Sweden

Publications 1986-1995 Wermuth, N. (1987). Parametric collapsibility and the lack of moderating effects in contingency tables with a dichotomous response variable. Journal of the Royal Statistical Society B, 49, 353-364. Wermuth, N. (1988). Introduction to the use of graphical chain model. Berichte zur Stochastik und verwandten Gebieten. Mainz: Johannes Gutenberg-Universität. Lauritzen, S.L. & Wermuth, N. (1989). Graphical models for association between variables, some of which are qualitative and some quantitative. Annals of Statistics, 17, 31-57. Wermuth, N. (1989). Moderating effects in multivariate normal distributions. Methodika, 76, 74-93. Wermuth, N. (1989). Moderating effects of subgroups in linear models. Biometrika, 76, 81-92. Wermuth, N. & Lauritzen, S.L. (1990). On substantive research hypotheses, conditional independence graphs and graphical chain models (with discussion). Journal of the Royal Statistical Society B, 52, 21-75. Cox, D.R. & Wermuth, N. (1990). An approximation to maximum-likelihood estimates in reduced models. Biometrika, 77, 747-761. Cox, D.R. & Wermuth, N. (1991). A simple approximation for bivariate and trivariate normal integrals. International Statistical Review, 59, 263-269. Wermuth, N. (1991). Frauen an deutschen Hochschulen. In: Ringvorlesungen zu frauenspezifischen Themen. Johannes Gutenberg-Universität, Band 2, 139-157. Cox, D.R. & Wermuth, N. (1992). A comment on the coefficient of determination for binary responses. The American Statistician, 46, 1-4. Cox, D.R. & Wermuth, N. (1992). On the calculation of derived variables in the analyses of multivariate responses. Journal of Multivariate Analysis, 42, 162-170. Cox, D.R. & Wermuth, N. (1992). Response models for mixed binary and quantitative variables. Biometrika, 79, 441-461. Wermuth, N. (1992). On moderating effects in the interactional and in the confounding sense, a reply. Methodika, VI, 5-7. Wermuth, N. (1992). On block-recursive linear regression equations (with discussion). Brazilian Journal of Probability and Statistics (REBRAPE, Revista Brasileira de Probalidade e Estatistica), 6, 1-56. Wermuth, N. & Cox, D.R. (1992). On the relation between interactions obtained with alternative codings of discrete variables. Methodika, VI, 76-85. Wermuth, N. & Cox, D.R. (1992). Graphical models for dependencies and associations. In: Computational Statistics (Vol1), 235-247. Y. Dodge & J. Whittaker (eds). Heidelberg: Physica. Wermuth, N., Hardt, J., Kuras, I. & Streit, R. (1992). Frauen an Hochschulen - Statistische Daten zu den Karrierechancen. Studien zu Bildung und Wissenschaft, Band 105, Bundesministerium für Bildung und Wissenschaft. Bad Honnef: Bock. Cox, D.R. & Wermuth, N. (1993). Linear dependencies represented by chain graphs (with discussion). Statistical Science, 8, 204-218; 247-277. Cox, D.R. & Wermuth, N. (1993). Some recent work on methods for the analysis of multivariate observational data in the social sciences. In: Multivariate analysis: future directions. 95-114. C.R. Rao (ed). Amsterdam: North-Holland. Wermuth, N. (1993). Association structures with few variables: characteristics and examples. In: Population Health Research. 181-203. K. Dean (ed). London: Sage. Wermuth, N. & Rüssmann, H. (1993). Eigenanalysis of symmetrizable matrix products: a result with statistical applications. Scandinavian Journal of Statistics, 20, 361-367. Cox, D.R. & Wermuth, N. (1994). A note on the quadratic exponential binary distribution. Biometrika, 81, 403-408. Cox, D.R. & Wermuth, N. (1994). Tests of linearity, multivariate normality and adequacy of linear scores. Applied Statistics, Journal of the Royal Statistical Society C, 43, 347-355. Pearl, J. & Wermuth, N. (1994). When can association graphs admit a causal interpretation? In: Models and Data, Artificial Intelligence and Statistics IV. 205-214. P. Cheeseman and W. Oldford (eds). New York: Springer. Wermuth, N. & Cox, D.R. (1995). Derived variables calculated from similar responses: some characteristics and examples. Computational Statistics and Data Analysis, 19, 223-234. Wermuth, N. (1995).  On the interpretation of chain graphs. In: Bulletin of the International Statistical Institute, Proceedings 50th Session, Beijing, Vol1, Invited papers, 415–429. ISI: Voorburg.