Correlation
Correlation is a statistical measure that expresses the extent to which two variables are linearly related. It ranges from -1 to 1, where -1 indicates a perfect negative correlation, 1 indicates a perfect positive correlation, and 0 indicates no correlation. In data analysis, correlation helps to identify relationships between variables, which can be critical for predictive modeling and hypothesis testing. Common use cases include finance for assessing asset relationships, social sciences for exploring behavioral patterns, and machine learning for feature selection.
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