2020-02-06
2020-02-07 本文已影响0人
Silv_Kim
Chapter 7 Logistic regression
Wouldnt suggest linear as classification algorithm
image.png
image.png
image.png
Hypothesis assumption behind logistic regression
image.png
image.png
Decision Boundary (a property of the hypothesis determined by parameters vectors)
image.png
image.png
Higher polynomial will get more complex decision boundary.png
Cost function
image.png
image.png
- convex optimization
Simpler cost function
image.png
image.png
image.png
