Covers: theory of Cost Functions
Estimated time needed to finish: 58 minutes
Questions this item addresses:
  • What are cost functions and what types of cost functions exist?
How to use this item?

The portion that is specific to cost functions begins on pg. 80

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deeplearning.org
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Cost Functions

Contributors
Total time needed: ~2 hours
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
Who is This For ?
INTERMEDIATEdata scientists, data analysts
Click on each of the following annotated items to see details.
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

Concepts Covered

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