βœ… Quiz M4.01ΒΆ

Question

What is a linear regression?

  • a) a model that outputs a continuous prediction as the sum of the values of a limited subset of the input features

  • b) a model that outputs a binary prediction based on a linear combination of the values of the input features

  • c) a model that outputs a continuous prediction as a weighted sum of the input features

Select a single answer

Question

Which of the following estimators can solve linear regression problems?

  • a) sklearn.linear_model.LinearRegression

  • b) sklearn.linear_model.LogisticRegression

  • c) sklearn.linear_model.Ridge

Select several answers

Question

Is it possible to get a perfect fit (zero prediction error on the training set) with a linear classifier on a non-linearly separable dataset?

  • a) yes

  • b) no