Introduction to Data Science: From Curiosity to Code
From Curiosity to Code
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36 chapters
~55 hours total
273 sections
1
Front Matter
5 chapters2
Part I: Part I: Welcome to Data Science
7 chapters- Part I: Welcome to Data Science
- Chapter 1: What Is Data Science? (And What It Isn't) — A Map of the Field
- Chapter 2: Setting Up Your Toolkit: Python, Jupyter, and Your First Notebook
- Chapter 3: Python Fundamentals I — Variables, Data Types, and Expressions
- Chapter 4: Python Fundamentals II: Control Flow, Functions, and Thinking Like a Programmer
- Chapter 5: Working with Data Structures: Dictionaries, Files, and Thinking in Data
- Chapter 6: Your First Data Analysis — Loading, Exploring, and Asking Questions of Real Data
3
Part II: Part II: Data Wrangling
8 chapters- Part II: Data Wrangling
- Chapter 7: Introduction to pandas — DataFrames, Series, and the Grammar of Data Manipulation
- Chapter 8: Cleaning Messy Data: Missing Values, Duplicates, Type Errors, and the 80% of the Job
- Chapter 9: Reshaping and Transforming Data — Merge, Join, Pivot, Melt, and GroupBy
- Chapter 10: Working with Text Data — String Methods, Regular Expressions, and Extracting Meaning
- Chapter 11: Working with Dates, Times, and Time Series Data
- Chapter 12: Getting Data from Files — CSVs, Excel, JSON, and Databases
- Chapter 13: Getting Data from the Web — APIs, Web Scraping, and Building Your Own Datasets
4
Part III: Part III: Data Visualization
6 chapters- Part III: Data Visualization
- Chapter 14: The Grammar of Graphics — Why Visualization Matters and How to Think About Charts
- Chapter 15: matplotlib Foundations — Building Charts from the Ground Up
- Chapter 16: Statistical Visualization with seaborn
- Chapter 17: Interactive Visualization — plotly, Dashboard Thinking
- Chapter 18: Visualization Design — Principles, Accessibility, Ethics, and Common Mistakes
5
Part IV: Part IV: Statistical Thinking
7 chapters- Part IV: Statistical Thinking
- Chapter 19: Descriptive Statistics — Center, Spread, Shape, and the Stories Numbers Tell
- Chapter 20: Probability Thinking — Uncertainty, Randomness, and Why Your Intuition Lies
- Chapter 21: Distributions and the Normal Curve — The Shape That Shows Up Everywhere
- Chapter 22: Sampling, Estimation, and Confidence Intervals — How to Learn About Millions from a Handful
- Chapter 23: Hypothesis Testing — Making Decisions with Data (and What P-Values Actually Mean)
- Chapter 24: Correlation, Causation, and the Danger of Confusing the Two
6
Part V: Part V: First Models
7 chapters- Part V: First Models
- Chapter 25: What Is a Model? Prediction, Explanation, and the Bias-Variance Tradeoff
- Chapter 26: Linear Regression — Your First Predictive Model
- Chapter 27: Logistic Regression and Classification — Predicting Categories
- Chapter 28: Decision Trees and Random Forests — Models You Can Explain to Your Boss
- Chapter 29: Evaluating Models — Accuracy, Precision, Recall, and Why "Good" Depends on the Question
- Chapter 30: The Machine Learning Workflow — Pipelines, Validation, and Putting It All Together
7
Part VI: Part VI: The Data Science Profession
7 chapters- Part VI: The Data Science Profession
- Chapter 31: Communicating Results: Reports, Presentations, and the Art of the Data Story
- Chapter 32: Ethics in Data Science: Bias, Privacy, Consent, and Responsible Practice
- Chapter 33: Reproducibility and Collaboration: Git, Environments, and Working with Teams
- Chapter 34: Building Your Portfolio: Projects That Get You Hired
- Chapter 35: Capstone Project: A Complete Data Science Investigation
- Chapter 36: What's Next: Career Paths, Continuous Learning, and the Road to Intermediate Data Science
8
Appendices
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