5. Baseline

5.1. Classifier

import numpy as np
from sklearn.dummy import DummyClassifier

dummy_clf = DummyClassifier(strategy="most_frequent")
dummy_clf.fit(X_train, y_train)

dummy_clf.predict(X_test)
dummy_clf.score(X_test, y_test)

5.2. Regressor

import numpy as np
from sklearn.dummy import DummyRegressor

dummy_regr = DummyRegressor(strategy="mean")
dummy_regr.fit(X_train, y_train)

dummy_regr.predict(X_test)
dummy_regr.score(X_test, y_test)