Spearman's rank correlation coefficient
npm install spearman-rhoshell
npm install spearman-rho --save
`
`javascript
"use strict";
const SpearmanRHO = require('spearman-rho');
const x = [2.0, 3.0, 3.0, 5.0, 5.5, 8.0, 10.0, 10.0];
const y = [1.5, 1.5, 4.0, 3.0, 1.0, 5.0, 5.0, 9.5];
const spearmanRHO = new SpearmanRHO(x, y);
spearmanRHO.calc()
.then(value => console.log(value))
.catch(err => console.error(err));
// 0.6829268292682927
``