📈 Correlation Calculator
Calculate the Pearson correlation coefficient (r) between two data sets.
What is Pearson Correlation?
The Pearson correlation coefficient (r) measures the linear relationship between two variables. It is computed as r = Σ(xᵢ - x̄)(yᵢ - ȳ) / √(Σ(xᵢ - x̄)² · Σ(yᵢ - ȳ)²). Values range from -1 (perfect negative correlation) to +1 (perfect positive correlation), with 0 indicating no linear relationship.
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