3-2/기계학습

6주차-Binary Classification

Donghun Kang 2024. 10. 27. 16:11
  • Binary Classification
yes or no problem(True or False)
=> 문제 정의가 중요!

EX)

 

  • Binary Classification with Linear Regression

위와 같은 상황을 방지하기 위해

 

  • Logistic Regression

  • Sigmoid Function

 

  • Decision Boundary
  • Sigmoid Function

  • 1D

 

EX)

 

  • Linear regression VS Logistic regression

 

  • Non-linear Decision Boundary

 

  • Loss Function for Logistic Regression

  • Single Line form

  • Gradient Descent for Logistic Regression

 

  • Partial dervative of Wj