Getting Started with Scikit-Learn
Chapter 1: Introduction to Scikit-learn and Setup
What is Scikit-learn?
Installation and Environment Setup
Overview of the Scikit-learn API
Data Representation in Scikit-learn
Loading Example Datasets
Hands-on Practical: Setup Verification
Quiz for Chapter 1
Chapter 2: Supervised Learning: Regression
Introduction to Regression Problems
Linear Regression Fundamentals
Implementing Linear Regression with Scikit-learn
Interpreting Model Coefficients
Regression Evaluation Metrics
Calculating Metrics in Scikit-learn
Hands-on Practical: Building a Regression Model
Quiz for Chapter 2
Chapter 3: Supervised Learning: Classification
Introduction to Classification Problems
Logistic Regression for Classification
K-Nearest Neighbors (KNN) Algorithm
Implementing KNN with Scikit-learn
Support Vector Machines (SVM) Basics
Implementing SVM with Scikit-learn
Classification Evaluation Metrics
Calculating Metrics in Scikit-learn
Hands-on Practical: Building Classification Models
Quiz for Chapter 3
Chapter 4: Data Preprocessing and Feature Engineering
The Importance of Data Preprocessing
Feature Scaling Techniques
Applying Scalers in Scikit-learn
Encoding Categorical Features
Applying Encoders in Scikit-learn
Handling Missing Values
Using Imputers in Scikit-learn
Hands-on Practical: Preprocessing Data
Quiz for Chapter 4
Chapter 5: Model Selection and Evaluation
The Problem of Overfitting and Underfitting
Splitting Data: Training and Testing Sets
Introduction to Cross-Validation
Implementing K-Fold Cross-Validation
Stratified K-Fold for Classification
Grid Search for Hyperparameter Tuning
Hands-on Practical: Model Evaluation and Selection
Quiz for Chapter 5
Chapter 6: Building Pipelines
Motivation for Using Pipelines
Creating a Simple Pipeline
Accessing Pipeline Steps
Using Pipelines with Cross-Validation
Grid Search with Pipelines
Constructing Complex Pipelines with ColumnTransformer
Hands-on Practical: Pipeline Construction and Tuning
Quiz for Chapter 6
Stratified K-Fold for Classification
Was this section helpful?
- sklearn.model_selection.StratifiedKFold, scikit-learn developers, 2023 - Official documentation for Scikit-learn's Stratified K-Fold cross-validator, detailing its parameters and usage.
- Hands-On Machine Learning with Scikit-Learn, Keras & TensorFlow: Concepts, Tools, and Techniques to Build Intelligent Systems, Aurélien Géron, 2022 (O'Reilly Media) - A practical guide that covers cross-validation techniques, including stratified k-fold, with examples using Scikit-learn.
- An Introduction to Statistical Learning: With Applications in R, Gareth James, Daniela Witten, Trevor Hastie, Rob Tibshirani, 2021 (Springer) - A foundational textbook that explains the principles of cross-validation and model evaluation, relevant for understanding the theoretical basis of stratified k-fold.
© 2025 ApX Machine LearningEngineered with