Discussion of Lecture 7

Xijia Liu

Department of Statistics, Umeå University

Lecture 7: Logistic Regression Classifier

• What is the main idea of classifiers based on regular linear regression model?
• What is the limitation of classifiers based on regression model?
• What are the similarities and differences between linear regression and logistic regression?
• How to build a classifier based on logistic regression models?
• Is the classifier based on logistic regression a linear classifier or nonlinear classifier?
• How to determine the decision boundary?
• Cross-entropy loss function and likelihood function.