Which metric would you use to evaluate a model's performance on a multi-class cl

Practice Questions

Q1
Which metric would you use to evaluate a model's performance on a multi-class classification problem?
  1. Binary accuracy
  2. Macro F1 score
  3. Mean squared error
  4. Log loss

Questions & Step-by-Step Solutions

Which metric would you use to evaluate a model's performance on a multi-class classification problem?
  • Step 1: Understand that a multi-class classification problem involves more than two classes (categories) to predict.
  • Step 2: Learn about the F1 score, which is a measure that combines precision and recall for a single class.
  • Step 3: Realize that in a multi-class setting, you need to calculate the F1 score for each class separately.
  • Step 4: Calculate the F1 score for each class based on its true positives, false positives, and false negatives.
  • Step 5: Average the F1 scores of all classes to get the macro F1 score, which treats all classes equally.
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