Simple Linear Regression.
$ npm install --save ml-regression-simple-linear
import { SimpleLinearRegression } from 'ml-regression-simple-linear';
const x = [0.5, 1, 1.5, 2, 2.5];
const y = [0, 1, 2, 3, 4];
const regression = new SimpleLinearRegression(x, y);
regression.slope; // 2
regression.intercept; // -1
regression.coefficients; // [-1, 2]
regression.predict(3); // 5
regression.computeX(3.5); // 2.25
regression.toString(); // 'f(x) = 2 * x - 1'
regression.score(x, y);
// { r: 1, r2: 1, chi2: 0, rmsd: 0 }
const json = regression.toJSON();
// { name: 'simpleLinearRegression', slope: 2, intercept: -1 }
const loaded = SimpleLinearRegression.load(json);
loaded.predict(5); // 9