Intro to Naive Bayes Classifiers
Learn the fundamentals of Naive Bayes, implement classifiers in Python, and apply them to real-world problems.
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Bayes' Theorem and Naive Bayes Fundamentals
Unit 1: Bayes' Theorem: The Foundation
Probability Review
Understanding Bayes' Theorem
Bayes' Theorem Example
Bayes' for Classification
Maximum A Posteriori
Unit 2: Naive Bayes: Simplifying Assumptions
The Naive Assumption
Why is it called Naive?
Conditional Independence
Math Behind Naive Bayes
Advantages of Naive Bayes
Unit 3: Building a Naive Bayes Classifier
Workflow Overview
Data Collection
Feature Selection
Model Training
Model Evaluation
Types of Naive Bayes Classifiers
Unit 1: Gaussian Naive Bayes
Gaussian Naive Bayes
Use Cases: Gaussian
Gaussian: Worked Example
Gaussian: Pros & Cons
Gaussian: Key Takeaways
Unit 2: Multinomial Naive Bayes
Multinomial Naive Bayes
Use Cases: Multinomial
Multinomial: Example
Multinomial: Pros & Cons
Multinomial: Takeaways
Unit 3: Bernoulli Naive Bayes
Bernoulli Naive Bayes
Use Cases: Bernoulli
Bernoulli: Worked Example
Bernoulli: Pros & Cons
Bernoulli: Key Takeaways
Unit 4: Choosing the Right Classifier
Data Types & Classifiers
Overlapping Use Cases
Beyond the Basics
Real-World Examples
Key Considerations
Implementation and Evaluation
Unit 1: Data Preparation for Naive Bayes
Feature Scaling Overview
Handling Categorical Data
Addressing Missing Data
Train/Test Split
Data Prep Best Practices
Unit 2: Implementing Naive Bayes with Scikit-learn
GaussianNB in scikit-learn
MultinomialNB in scikit-learn
BernoulliNB in scikit-learn
Model Training Deep Dive
Prediction Deep Dive
Unit 3: Evaluating Naive Bayes Models
Precision and Recall
F1-Score
AUC-ROC
Confusion Matrices
Choosing the Right Metric
Unit 4: Improving Model Performance
Feature Selection Intro
Smoothing Techniques
Hyperparameter Tuning
Cross-Validation
Iterative Improvement
Applications and Comparison
Unit 1: Real-World Applications of Naive Bayes
Spam Detection Intro
Building a Spam Filter
Evaluating Spam Filter
Sentiment Analysis Intro
Sentiment Analysis Model
Unit 2: Naive Bayes vs. Other Algorithms
Naive Bayes vs. Logistic
Naive Bayes vs. SVM
Accuracy vs. Speed
Data Size Matters
When to Use Which
Unit 3: Advantages and Limitations
Pros: Simplicity
Pros: Data Requirements
Cons: Independence
Cons: Zero Frequency
When It All Clicks