Machine Learning�for English Analysis

Prof. Seungtaek Choi

Last Time

• Git/GitHub Basics
• Introduction to ML
• Definition
• Supervised Learning vs. Unsupervised Learning
• Classification, Regression, Dimension Reduction, Clustering, Model Selection
• Linear Regression
• Gradient Descent Algorithm

Today

• Logistic Regression
• Classification (SVM)

Logistic Regression

Classification

Logistic Regression�Multi-class Classification: One-vs-all

Regularization

Regularization�- Cost Function

Regularization�- Regularized Linear Regression

Features

Support Vector Machine

were

Support Vector Machine�- Large Margin Intuition

Nonlinear SVM

Next

• Neural Networks