Lecture27 - Lecture 27: Support vector machines Prof. Julia...

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Unformatted text preview: Lecture 27: Support vector machines Prof. Julia Hockenmaier juliahmr@illinois.edu http://cs.illinois.edu/fa11/cs440 CS440/ECE448: Intro to ArtiFcial Intelligence Class admin Final exam: Friday, May 13, 7pm. Confict exam: Thursday, May 12, 10am in 3401. The last lecture is on Thursday (review session) I will oer additional review sessions on Tuesday and Thursday beore the nal Large margin classifers What is the best separating hyperplane? 4 CS440/ECE448: Intro AI x 1 x 2 + + + + + + + x x x x x x x x x Which of these linear classiFers is best? How can we choose? What s the Best Separating Hyperplane? + - - - - - - - + + + + + 5 What s the Best Separating Hyperplane? + - - - - - - - + + + + + 6 What s the Best Separating Hyperplane? + - - - - - - - + + + + + 7 What s the Best Separating Hyperplane? + - - - - - - - + + + + + 8 M a r g i n m Maximum margin classifer We want to fnd the classifer whose decision boundary is Furthest away From any data point....
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This note was uploaded on 10/13/2011 for the course CS 440 taught by Professor Levinson,s during the Spring '08 term at University of Illinois, Urbana Champaign.

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Lecture27 - Lecture 27: Support vector machines Prof. Julia...

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