Machine Learning

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Week 1 - Intro

What is Machine Learning

  • Checkers playing computer (Arthur Samuel)

Supervised Learning

Right answer is provided. Types of problems

  • Regression
  • Classification

Unsupervised Learning

The data has no "correct answer"

Cocktail party algorithm

Week 1 - Linear Regression with One variable

Model Representation

Working with housing prices in Portland as our dataset.

Symbols used

  • m - number of training examples
  • x - input variables
  • y - output variable

Cost Function

Cost Function - Intuition : 1

Cost Function - Intuition : 2

Gradient Descent

Gradient Descent Intuition

Gradient Descent for Linear Regression

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