title: How to list all classification/regression/clustering algorithms in scikit-learn?
body: <p>In analogy to <a href="https://stackoverflow.com/questions/30056331/how-to-list-all-scikit-learn-classifiers-that-support-predict-proba">How to list all scikit-learn classifiers that support predict_proba()</a> I want to retrieve a list of all classification/regression/clustering algorithms currently supported in scikit-learn. </p>