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1 result for “correlation”
Formulae (1)
Statistics & Probability
Advanced
Pearson Correlation
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r = \frac{\sum (x_i-\bar{x})(y_i-\bar{y})}{\sqrt{\sum(x_i-\bar{x})^2\sum(y_i-\bar{y})^2}}
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Measures linear correlation between two variables.