Generative Approach: generative classifiers - generative model. It is a statistical model of the joint probability distribution on given observable variable X and target variable Y.
Examples: Naive Bayes, Linear Discriminant Analysis
Discriminative Approach: discriminative classifiers - discriminative model. It is a model of the conditional probability of the target Y, given an observation X, and classifiers computed without using a probability model are also referred to loosely as "discriminative"
Examples: Logistic Regression
Reference: https://en.m.wikipedia.org/wiki/Generative_model
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