Mixed Effects Models: Hierarchical APC-Cross-Classified Random Effects Models (HAPC-CCREM), Part I: The Basics

7.1 Introduction

In Chapter 5, we discussed the advantages and disadvantages of various approaches to identification and estimation of the A, P, and C effect coefficients for the conventional APC accounting/multiple classification model. In this context, the Intrinsic Estimator method has a number of desirable statistical properties and often yields good estimates of the effect coefficients. It is important to point out, however, that the classical APC identification problem is not inevitable. It is largely a function of the application of conventional linear or generalized linear models to APC data, often but not exclusively ...

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