Which of the following is a feature ranking method?

Subject: Machine Learning

Topic: Statistical Learning and Feature Engineering

Options:

1. Option A: Forward Selection
2. Option B: Backward Elimination
3. Option C: Information Gain
4. Option D: Exhaustive Search

Correct Answer:

Option C: Information Gain

Explanation:

Information Gain is a feature ranking method that ranks features based on their individual predictive power, often using metrics like correlation, mutual information, or chi-square.