Spearman Correlation Coefficient


Spearman correlation coefficient is a statistical measure that evaluates the strength and direction of the monotonic relationship between two continuous variables. It is a non-parametric measure that assesses how well the relationship between two variables can be described using a monotonic function. The Spearman correlation coefficient ranges from -1 to 1, where -1 indicates a perfect negative monotonic relationship, 0 indicates no monotonic relationship, and 1 indicates a perfect positive monotonic relationship. Unlike Pearson correlation coefficient, Spearman correlation coefficient does not assume that the relationship between the variables is linear. Instead, it only assumes that the relationship is monotonic, meaning that as one variable increases, the other variable either increases or decreases consistently.


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