Hierarchical approaches for flexible and interpretable binary regression models
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Binary regression models are ubiquitous in virtually every scientific field. Frequently, traditional generalized linear models fail to capture the variability in the probability surface that gives rise to the binary observations and novel methodology is required. This has generated a substantial literature comprised of binary regression models motivated by various applications. We describe a novel organization of generalizations to traditional binary regression methods based on the familiar three-part structure of generalized linear models (random component, systematic component, link function). This new perspective facilitates both the comparison of existing approaches, and the development of novel, flexible models with interpretable parameters that capture application-specific data generating mechanisms. We use our proposed organizational structure to discuss some concerns with certain existing models for binary data based on quantile regression. We then use the framework to develop several new binary regression models tailored to occupancy data for European red squirrels (Sciurus vulgaris).
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