# Week 3: Bayesian Models

### Day 1: Data Pre and Post-processing

**Topic 2:** Pre-Processing Data

**Topic 3:** Sources of Bias in Model Interpretation and Usage

**In-Class Exercise:** Data Preprocessing and Model Interpretation Notebook

### Day 2: Dimensionality Reduction

**Topic 1:** Variable Selection

**Topic 2:** Principal Component Analysis

**Lecture Video:** (9:55 minutes)
**Lecture Slides:** Slides
**References:**
**Concept Quiz:** Quiz

**In-class Exercise:** PCA and Dimensionality Reduction

### Day 3: Introduction to Bayesian Models

**Topic 1:** Bayesian Models for Regression

**Lecture Video:** (18:52 minutes)
**Lecture Slides:** Slides
**References:**
**Concept Quiz:** Quiz

**Topic 2:** Bayesian Linear and Polynomial Regression

**Topic 3:** Interpreting the Posterior Predictive

**In-class Exercise:** Bayesian Linear and Polynomial Regression

### Day 4: More on Bayesian Models

**Topic 1:** Connecting Bayesian and Non-Bayesian Models

**Topic 2:** Bayesian Logistic Regression

**In-Class Exercise:** Bayesian Versus Frequentist Uncertainties