What does a high value of Matthews Correlation Coefficient (MCC) indicate?

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Question: What does a high value of Matthews Correlation Coefficient (MCC) indicate?

Options:

Correct Answer: Strong correlation between predicted and actual classes

Solution:

A high MCC value indicates a strong correlation between predicted and actual classes, reflecting better model performance.

What does a high value of Matthews Correlation Coefficient (MCC) indicate?

What does a high value of Matthews Correlation Coefficient (MCC) indicate?

Step 1: Understand that the Matthews Correlation Coefficient (MCC) is a measure used to evaluate the performance of a classification model.
Step 2: Know that MCC values range from -1 to +1.
Step 3: A value of +1 indicates a perfect prediction, meaning the model's predicted classes match the actual classes perfectly.
Step 4: A value of 0 indicates no correlation between predicted and actual classes, meaning the model is not performing better than random guessing.
Step 5: A value of -1 indicates a total disagreement between predicted and actual classes, meaning the model is making completely wrong predictions.
Step 6: Therefore, a high MCC value (close to +1) indicates that the model is performing well, with a strong correlation between what it predicts and what is actually true.

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