In a neural network, what is the purpose of the loss function?

Practice Questions

Q1
In a neural network, what is the purpose of the loss function?
  1. To measure the accuracy of predictions
  2. To calculate the gradient
  3. To evaluate model performance
  4. To quantify the difference between predicted and actual values

Questions & Step-by-Step Solutions

In a neural network, what is the purpose of the loss function?
  • Step 1: Understand that a neural network makes predictions based on input data.
  • Step 2: Know that these predictions are compared to actual target values (the correct answers).
  • Step 3: The loss function measures the difference between the predictions and the actual target values.
  • Step 4: A smaller loss value means the predictions are closer to the actual values, indicating better performance.
  • Step 5: The goal of training the neural network is to minimize this loss value, improving its accuracy.
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