RinatValiullov

0.42857142857142855 // указывает на относительно отрицательное утверждение

RinatValiullov

// index.js

var natural = require('natural');
var Analyzer = natural.SentimentAnalyzer;
var stemmer = natural.PorterStemmer;
var analyzer = new Analyzer("English", stemmer, "afinn");

// getSentiment ожидает массив строк
console.log(analyzer.getSentiment(["I", "don't", "want", "to", "play", "with", "you"]));

RinatValiullov

sell
buy

RinatValiullov

// index.js

var natural = require('natural');

var classifier = new natural.BayesClassifier();
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();

RinatValiullov

3
3
-1

RinatValiullov

// index.js

var natural = require('natural');

console.log(natural.HammingDistance("karolin", "kathrin", false));
console.log(natural.HammingDistance("karolin", "kerstin", false));
console.log(natural.HammingDistance("short string", "longer string", false));

RinatValiullov

[ 'go', 'friend' ]

RinatValiullov

// index.js

var natural = require('natural');

natural.PorterStemmer.attach();
console.log("I can see that we are going to be friends".tokenizeAndStem());

RinatValiullov

[ 'The',
  'quick',
  'brown',
  'fox',
  'jumps',
  'over',
  'the',
  'lazy',
  'dog' ]

RinatValiullov

// index.js

var natural = require('natural');
var tokenizer = new natural.WordTokenizer();

console.log(tokenizer.tokenize("The quick brown fox jumps over the lazy dog"));