import { PolynomialFeatures } from 'machinelearn/preprocessing';
const poly = new PolynomialFeatures();
const X = [[0, 1], [2, 3], [4, 5]];
poly.transform(X);
// Result:
// [ [ 1, 0, 1, 0, 0, 1 ],
// [ 1, 2, 3, 4, 6, 9 ],
// [ 1, 4, 5, 16, 20, 25 ] ]