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- Learning Objectives
- After reading this shortlist you will have a general understanding of what cost functions are and the role they play in optimization and gradient descent learning in machine learning applications.
- Potential Use Cases
- model optimization, hierarchical modeling, statistical modeling, machine learning
- Target Audience
- INTERMEDIATEdata scientists, data analysts

Go through the following **annotated items** *in order*:

VIDEO 1. Fitting a line to data in linear regression

- What does it mean to fit a line or model to data?

10 minutes

VIDEO 2. Gradient Descent: Step by Step

- What is gradient descent and what role do cost functions play in this process?

23 minutes

ARTICLE 3. Numerical Computation in gradient-based optimization

- What are cost functions and what types of cost functions exist?

58 minutes

Previewing stream ** Math and Foundations**

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