What is «regression» in machine learning?

classification is about predicting a label and regression is about predicting a quantity

machinelearningmastery.com/classification-versus-regression-in-machine-learning

The main difference between them is that the output variable in regression is numerical (or continuous) while that for classification is categorical (or discrete).

medium.com/quick-code/regression-versus-classification-machine-learning-whats-the-difference-345c56dd15f7

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