úÎè¬Covariance of two samples Pearson')s product-moment correlation coefficient ,Simple linear regression between 2 samples. 3 Takes two vectors Y={yi} and X={xi} and returns 3 (alpha, beta, r*r) such that Y = alpha + beta*X 9 and where r is the Pearson product-moment correlation  coefficient ,Simple linear regression between 2 samples. 3 Takes two vectors Y={yi} and X={xi} and returns = (alpha, beta, r*r) such that Y = alpha + beta*X statistics-linreg-0.2Statistics.LinearRegressioncovarcorrellinearRegressionlinearRegressionRSqr