Abstract
Goodness-of-fit tests based on chi-square approximations are commonly used in the analysis of contingency tables. Results from algebraic statistics combined with MCMC methods provide alternatives to the chi-square approximation. However, within a model selection procedure usually a large number of models are considered and extensive simulations would be necessary. We show how the simulation effort can be reduced by an appropriate analysis of the involved Gröbner bases.
Original language | English |
---|---|
Title of host publication | Algebraic and geometric methods in statistics |
Editors | P. Gibilisco, E. Riccimagno, M.P. Rogantin, H.P. Wynn |
Place of Publication | Cambridge |
Publisher | Cambridge University Press |
Pages | 83-97 |
ISBN (Print) | 978-0-521-89619-1 |
DOIs | |
Publication status | Published - 2009 |