Tests for Regression Models Fitted to Survey Data

Tests for Regression Models Fitted to Survey Data

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Article ID: iaor201525002
Volume: 56
Issue: 1
Start Page Number: 1
End Page Number: 14
Publication Date: Mar 2014
Journal: Australian & New Zealand Journal of Statistics
Authors: ,
Keywords: estimation, software, survey data
Abstract:

Data from complex surveys are being used increasingly to build the same sort of explanatory and predictive models as those used in the rest of statistics. Unfortunately the assumptions underlying standard statistical methods are not even approximately valid for most survey data. The problem of parameter estimation has been largely solved, at least for routine data analysis, through the use of weighted estimating equations, and software for most standard analytical procedures is now available in the major statistical packages. One notable omission from standard software is an analogue of the likelihood ratio test. An exception is the Rao–Scott test for loglinear models in contingency tables. In this paper we show how the Rao–Scott test can be extended to handle arbitrary regression models. We illustrate the process of fitting a model to survey data with an example from NHANES.

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