Parameter redundancy with covariates

Diana J. Cole and Byron J. T. Morgan

Biometrika, 2010, vol. 97, issue 4, 1002-1005

Abstract: We show how to determine the parameter redundancy status of a model with covariates from that of the same model without covariates, thereby simplifying the calculation considerably. A matrix decomposition is necessary to ensure that the symbolic computation computer programmes return correct results. The paper is illustrated by mark-recovery and latent-class models, with associated Maple code. Copyright 2010, Oxford University Press.

Date: 2010
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