Covariance Calculate covariance Installation $ npm i @elstats/covariance Usage import covariance from '@elstats/covariance'; const X = [1, 3, 3, 4, 4, 6, 7, 5, 8, 9]; const Y = [9, 6, 7, 5, 5, 4, 3, 2, 2, 2]; covariance(X, Y); // -4.8 License MIT