Practical Data Modeling and Machine Learning with Python: From Data Preparation to Model Evaluation and Optimization (Practical Data Science with Python) - Softcover

Book 2 of 2: Practical Data Science with Python

Wei, Dr. Shouke

9781067559250: Practical Data Modeling and Machine Learning with Python: From Data Preparation to Model Evaluation and Optimization (Practical Data Science with Python)

Softcover

ISBN 10: 1067559256 ISBN 13: 9781067559250

Publisher: Deepsim Press, 2026

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Data is abundant, but understanding is not. Between raw data and meaningful decisions lies a crucial process: the ability to build, evaluate, and refine models that capture structure in the world.

This book, Practical Data Modeling and Machine Learning with Python, focuses on that process.
It is the second volume in the *Practical Data Science with Python* series. The first book introduced data exploration and visualization—how to observe patterns, clean data, and ask the right questions. This volume moves one step further: from understanding data to **modeling it**, and from intuition to quantitative reasoning..

Purpose of This Book

The central goal of this book is not simply to present algorithms, but to develop a coherent approach to **data modeling**.
In practice, modeling is not a single step. It is a system:

defining a problem clearly
preparing data carefully
selecting appropriate models
evaluating performance rigorously
refining and improving results

This book follows that system. It integrates statistical modeling and modern machine learning into a unified workflow, emphasizing both principles and practical implementation..

What This Book Covers

This book is organized into six parts, each corresponding to a key stage in the data modeling and machine learning workflow.

Part I — Foundations of Data Modeling introduces the fundamental concepts of data modeling and analytical thinking. It covers the practical setup of a Python environment and the essential steps of data preparation and feature engineering, establishing a solid foundation for all subsequent work.
Part II — Statistical Modeling Foundations provides the necessary statistical background for modeling. Topics such as probability distributions, estimation, and hypothesis testing are presented with a focus on interpretation and practical relevance.
Part III — Statistical Modeling Techniques develops core modeling approaches, including linear regression, regularization, and generalized linear models. These methods form the bridge between classical statistics and modern machine learning.
Part IV — Foundations of Machine Learning introduces the principles that govern machine learning systems, including training and validation strategies, the bias–variance tradeoff, and the role of cross-validation and preprocessing pipelines in building reliable models.
Part V — Core Machine Learning Models presents practical machine learning methods, including classification models, regression techniques, and ensemble approaches. Emphasis is placed on understanding model behavior and comparing different methods in realistic settings.
Part VI — Model Evaluation and Optimization focuses on assessing and improving models. It covers performance metrics, validation strategies, hyperparameter tuning, and model interpretation techniques, providing a complete framework for building robust and trustworthy models.

Together, these parts form a coherent progression from data preparation to model evaluation and optimization, reflecting the full lifecycle of data-driven modeling.

Rather than focusing only on algorithms, this book emphasizes how to think about modeling problems, avoid common pitfalls, and develop reliable solutions in practice.

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