Catchpole, E.A. and Morgan, B.J.T. and Viallefont, A.
(2002)
*Solving problems in parameter redundancy using computer algebra.*
Journal of Applied Statistics, 29
(1-4).
pp. 625-636.
ISSN 0266-4763.
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Official URL http://dx.doi.org/10.1080/02664760120108683 |

## Abstract

A model, involving a particular set of parameters, is said to be parameter redundant when the likelihood can be expressed in terms of a smaller set of parameters. In many important cases, the parameter redundancy of a model can be checked by evaluating the symbolic rank of a derivative matrix. We describe the main results, and show how to construct this matrix using the symbolic algebra package Maple. We apply the theory to examples from the mark-recapture field. General code is given which can be applied to other models.

Item Type: | Article |
---|---|

Subjects: | Q Science > QA Mathematics (inc Computing science) |

Divisions: | Faculties > Science Technology and Medical Studies > School of Mathematics Statistics and Actuarial Science > Statistics |

Depositing User: | Judith Broom |

Date Deposited: | 17 Sep 2008 10:48 |

Last Modified: | 14 Jan 2010 14:40 |

Resource URI: | http://kar.kent.ac.uk/id/eprint/10498 (The current URI for this page, for reference purposes) |

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