Correlation Matrix
Data Science
A statistical measure that expresses the extent of a linear relationship between two variables.
Detailed Explanation
Correlation is a statistical measure that quantifies the strength and direction of a linear relationship between two variables. It ranges from -1 to 1, where 1 indicates a perfect positive correlation, -1 a perfect negative correlation, and 0 no correlation. This measure helps identify whether variables move together, inversely, or not at all, aiding in data analysis and predictive modeling.
Use Cases
- •Using correlation analysis to select relevant features improves model accuracy by identifying variables with strong linear relationships.
Related Terms
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