Quantile Regression for Epidemiological Applications

Authored by: Brian J. Reich

Handbook of Spatial Epidemiology

Print publication date:  April  2016
Online publication date:  April  2016

Print ISBN: 9781482253016
eBook ISBN: 9781482253023
Adobe ISBN:

10.1201/b19470-17

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Abstract

The predominant analytic approach in epidemiological studies is linear mean regression. In linear regression, it is assumed that the covariates affect only the mean of the response distribution and no other aspect, such as variance or skewness. While this approach is computationally efficient and easy to interpret, it is insufficient in many cases. For example, linear regression can miss subtle relationships such as covariate effects on the variance or the likelihood of extreme events. Also, linear regression is known to be sensitive to outlying observations.

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