Function predict

polynomial-regression-core/index.js:63–71

(x)

 * @return number predicted y value
 */
function predict(x) {
  // y = a * x ^ 3 + b * x ^ 2 + c * x + d
  return tf.tidy(() => {
    return a.mul(x.pow(tf.scalar(3, 'int32')))
      .add(b.mul(x.square()))
      .add(c.mul(x))
      .add(d);
  });
}

/*
 * This will tell us how good the 'prediction' is given what we actually