Naive Bayes classifier basic demo with React and Natural

react-naive-bayes.js

import React from 'react';
import natural from 'natural';

class App extends React.Component {
  constructor() {
    super();
    // Create a classifier instance
    const classifier = new natural.BayesClassifier();
    
    // Train the classifier
    classifier.addDocument('i am long qqqq', 'buy');
    classifier.addDocument('buy the q\'s', 'buy');
    classifier.addDocument('short gold', 'sell');
    classifier.addDocument('sell gold', 'sell');
    classifier.train();
    
    // Assign it to the component instance
    this.classifier = classifier;
  }

  render() {
    // The following two lines actually work as expected!
    console.log(this.classifier.classify('i am short silver'), '<- should be sell');
    console.log(this.classifier.classify('i am long copper'), '<- should be buy');
    return (
      <div>pay no attention to me!</div>
    );
  }
}

export default App;