Linear Regression (continued)
Linear Regression (continued)
Professor Ameet Talwalkar
Professor Ameet Talwalkar
CS260 Machine Learning Algorithms
February 6, 2017 1 / 39
Outline
1 Administration 2 Review of last lecture 3 Linear regression 4 Nonlinear basis functions
Professor Ameet Talwalkar
CS260 Machine Learning Algorithms
February 6, 2017 2 / 39
Announcements
HW2 will be returned in section on Friday HW3 due in class next Monday Midterm is next Wednesday (will review in more detail next class)
Professor Ameet Talwalkar
CS260 Machine Learning Algorithms
February 6, 2017 3 / 39
Outline
1 Administration 2 Review of last lecture
Perceptron Linear regression introduction 3 Linear regression 4 Nonlinear basis functions
Professor Ameet Talwalkar
CS260 Machine Learning Algorithms
February 6, 2017 4 / 39
Perceptron Main idea
Consider a linear model for binary classification wTx
We use this model to distinguish between two classes {-1, +1}.
One goal
= I[yn = sign(wTxn)]
n
i.e., to minimize errors on the training dataset.
Professor Ameet Talwalkar
CS260 Machine Learning Algorithms
February 6, 2017 5 / 39
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