DM week 2
- Created by: mariolarc
- Created on: 06-05-21 08:40
Other questions in this quiz
2. Which of the following statements about perceptrons and neural networks is true?
- A perceptron is a multilayered neural network.
- The observed and true values of target variables are added to compute the score of a neural network.
- The activation function of a neural network can be decided when building the model.
- To make predictions with a given neural network, we perform backpropagation.
3. Which of the following statements about linear regression is true?
- Predicts a numeric output from a numeric input.
- Predicts a nominal output from a numeric input.
- Predicts a nominal output from a nominal input.
- Predicts a numeric output from a nominal input.
4. Given the linear regression equation y = w_0 + w_1*x_1 + w_2*x_2, what do the terms x_1 and x_2 represent?
- Weights.
- Labels.
- Attribute values.
- Residuals.
5. Which of the following statements about 10-fold cross-validation is false?
- Estimates the error rate of a regression model on new instances which have not been used for training.
- Computes 10 different models.
- Each fold is used exactly once for training.
- Divides the instances into 10 disjoint groups of roughly equal size.
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