Statistical Methods and Applications Using Quantiles
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Statistical Methods and Applications Using Quantiles
Description
This book presents a unified and modern treatment of statistical methods based on quantiles, bridging classical regression, distributional modelling, and contemporary data analysis. Moving beyond mean-based approaches, it develops a coherent framework for modelling conditional and marginal distributions through quantile functions, with particular attention to interpretation, inference, and practical implementation. The book combines theoretical developments with applications across the health, social, environmental, and ecological sciences. Its aim is to provide both a conceptual foundation and a practical toolkit for researchers seeking robust, flexible, and interpretable methods for analysing complex data.
Key Features:
- A coherent treatment of statistical modelling through the lens of quantile functions
- Integration of conditional and unconditional quantiles within a single framework, bridging two strands of the literature that are typically treated separately
- Emphasis on distributional thinking, focusing on the entire outcome distribution rather than summary measures
- Coverage of advanced topics including mixed-effects and nonlinear quantile models
- Quantile-based tools for distributional comparison, including differences, ratios, and tail summaries
- Fully reproducible examples with R code using real and simulated datasets
The book is intended for graduate students, researchers, and practitioners in statistics, biostatistics, econometrics, and related fields. It is suitable for advanced courses on regression modelling, distributional methods, or applied data analysis, and can also serve as a reference for methodological research. Applied scientists working with heterogeneous or non-Gaussian data will find practical guidance for implementation and interpretation. A working knowledge of regression methods is assumed, while more advanced topics are developed progressively, allowing readers to engage with both foundational concepts and current research directions.
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