Morgan, B.J.T. and Palmer, K.J. and Ridout, M.S. (2007) Negative score test statistic. The American Statistician, 61 (4). pp. 285-288. ISSN 0003-1305.
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| Official URL http://dx.doi.org/10.1198/000313007X242972 |
Abstract
If one uses the observed information matrix, rather than the expected information matrix in a score test, then it is possible to obtain a negative test statistic. A simple illustration of this is provided for a zero-inflated Poisson distribution
| Item Type: | Article |
|---|---|
| Uncontrolled keywords: | STILLBIRTHS IN LITTERS; ZERO-INFLATED POISSON DISTRIBUTION; ZERO-MODIFIED POISSON DISTRIBUTION |
| Subjects: | Q Science > QA Mathematics (inc Computing science) > QA276 Mathematical statistics |
| Divisions: | Faculties > Science Technology and Medical Studies > School of Mathematics Statistics and Actuarial Science |
| Depositing User: | Byron Morgan |
| Date Deposited: | 14 May 2008 09:25 |
| Last Modified: | 14 Jan 2010 14:11 |
| Resource URI: | http://kar.kent.ac.uk/id/eprint/3174 (The current URI for this page, for reference purposes) |
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