Machine Learning-vi. Logistic Regression (Week 3)

http://blog.csdn.net/pipisorry/article/details/43884027

Machine learning machines Learning-andrew NG Courses Study notes

Classification

0, 1 means

Denote with 0 is the negative class
Denote with 1 is the positive class.

Hypothesis representation

Decision Boundary

Cost Function

Simplified cost Function and Gradient descent

Advanced optimization

Multiclass Classification-one-vs-all

from:http://blog.csdn.net/pipisorry/article/details/43884027

Machine Learning-vi. Logistic Regression (Week 3)