Optimization for Perceptron Criterion

Creator
Creator
Seonglae ChoSeonglae Cho
Created
Created
2023 Apr 27 1:21
Editor
Edited
Edited
2023 Apr 27 1:37
Refs
Refs

Maximize

set of misclassified samples under w only update until convergence
 
 

Weight Updates

Start with weight 0
For each training instance
  • If correct (i.e., y=y*), no change
  • If wrong: adjust the weight vector - adding or subtracting the feature vector (f / y* exactly
notion image
 
notion image
 
x0 bias ican be tan add to f
 
 

Error-Driven Linear Classification

Binary case - compare features to weight vector Learning - figure out weight vector from examples
 
 

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