Correlation Calculator
Calculate Pearson correlation coefficient
公式
r = [nΣXY - ΣXΣY] / √[(nΣX²-(ΣX)²)(nΣY²-(ΣY)²)]
Pearson r measures linear relationship between two variables (-1 to 1).
示例
5 data points
r = 0.87 (strong positive).
常见问题
关于 Correlation
Calculate the Pearson correlation coefficient between two datasets.