Multi-Class Logistic Regression
[Multi-Class Regression](https://texonom.com/multi-class-regression-b0971c1ace5240abb9d6032522766455) 


input features
weight vectors are optimized by maximizing the log-likelihood
use weight vectors → classifier by [Bayes Decision Rule](https://texonom.com/bayes-decision-rule-6cbc2961ba31420184b0ea43fd01b862) (argmax) →  decision boundary







