What is the role of the loss function in supervised learning?

Practice Questions

Q1
What is the role of the loss function in supervised learning?
  1. To measure the accuracy of the model
  2. To quantify the difference between predicted and actual values
  3. To optimize the model's parameters
  4. To select features for the model

Questions & Step-by-Step Solutions

What is the role of the loss function in supervised learning?
  • Step 1: In supervised learning, we have a model that makes predictions based on input data.
  • Step 2: We also have actual values (the correct answers) that we want our model to predict.
  • Step 3: The loss function measures how far off the model's predictions are from the actual values.
  • Step 4: A lower loss value means the model's predictions are closer to the actual values.
  • Step 5: During training, the model uses the loss function to understand how to improve its predictions.
  • Step 6: The model adjusts its parameters to minimize the loss, which helps it learn better.
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