Machine Learning 101 Practice Test: Naive-Bayes Algorithm — Flashcards

The Naive Bayes algorithm is a probabilistic machine learning model that's used for classification problems. It's a type of linear "probabilistic classifier" that assumes features are conditionally independent, given the target class. 

The Naive Bayes algorithm is easy to build and is often used for large datasets. It can be used for both binary and multi-class classification problems. 

Here are some requirements for a Naive Bayes model:
A single key column
Input columns that are either discrete, or the values have been binned 

The Naive Bayes algorithm is often used in sentiment analysis, spam filtering, and recommendation systems. 

The Naive Bayes equation is: 
In this equation, P(Y=k | X1...Xn) is the Posterior Probability, which is the probability of an outcome given the evidence.