ageron / ageron/handson-ml2

[QUESTION]What is the difference between predict_proba, decision_function and predict function and how to choose

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in chapter 3, you use the predict_proba to get list of probabilities for each instance of each class and then to threshold the predicted decision score you have used the decision_function() rather than predict() i'm suck at programming would you please tell me what is the differences between these and how to choose the right one

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