TensorFlow and Scikit-Learn for Linnerud Dataset
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

In the given code snippet, what library is used for creating a deep neural network?

  • TensorFlow (correct)
  • scikit-learn
  • Pandas
  • Keras

What is the purpose of using 'epochs' in a neural network model?

  • To define the number of training iterations on the dataset (correct)
  • To measure the accuracy of the model
  • To calculate the loss function
  • To preprocess the input data

Which method is used to split the dataset into training and testing sets in the given code?

  • test_train_ratio()
  • divide_data()
  • train_test_split() (correct)
  • split_dataset()

What type of loss function is specified in the model compilation in the code snippet?

<p>'mean_squared_error' (A)</p> Signup and view all the answers

What metric is commonly used to evaluate the performance of a regression model like the one in the code snippet?

<p>Mean Squared Error (D)</p> Signup and view all the answers

What is the purpose of using 'StandardScaler' in the provided code snippet?

<p>To perform feature scaling on input data (D)</p> Signup and view all the answers

What is the purpose of the 'epochs' setting in the given TensorFlow code snippet?

<p>To set the number of times the entire dataset will pass through the model (B)</p> Signup and view all the answers

What does the 'linear_regression' function in the code snippet aim to achieve?

<p>Minimize the mean squared error between predicted and true values (B)</p> Signup and view all the answers

Which function is used to compute the mean squared error in the given TensorFlow code snippet?

<p>tf.reduce_mean(tf.square(y_true-y_pred)) (C)</p> Signup and view all the answers

What is the purpose of 'optimizer.apply_gradients(zip(gradients,[w,b]))' in the given code snippet?

<p>To update the weights and biases based on computed gradients (D)</p> Signup and view all the answers

In deep learning, what does the 'model loss' refer to?

<p>The difference between predicted and true labels during training (C)</p> Signup and view all the answers

What is the function of 'model.compile(optimizer='adam', loss='mean_squared_error', metrics=['accuracy'])' in the given TensorFlow code snippet?

<p>To compile and specify the optimizer, loss function, and evaluation metrics for the model (D)</p> Signup and view all the answers

What is the purpose of setting the 'random_state' parameter in train_test_split?

<p>To ensure reproducibility by initializing a random seed for the data splitting process (A)</p> Signup and view all the answers

What is the purpose of using 'StandardScaler' in this code snippet?

<p>To scale the input features to have a mean of 0 and a variance of 1 (A)</p> Signup and view all the answers

Why is 'softmax' activation used in the output layer of the neural network model?

<p>To obtain class probabilities for multi-class classification (A)</p> Signup and view all the answers

What does 'model.compile(optimizer='adam', loss='mse', metrics=['accuracy'])' specify in this code snippet?

<p>Adam optimizer, mean squared error loss function, and accuracy as the metric for model evaluation (B)</p> Signup and view all the answers

What does 'model.fit(X_train, y_train, epochs=50, batch_size=6, validation_split=0.1)' indicate?

<p>Training the model on X_train with y_train labels for 50 epochs using a batch size of 6 and 10% validation split (A)</p> Signup and view all the answers

What does 'print(f"Final training accuracy: {history.history['accuracy'][-1]}")' display?

<p>The final training accuracy achieved by the neural network model (D)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser