naturalness

Library implementing "On the Naturalness of Software"

JavaScript

npm install

npm test

const naturalness = require('./index.js');
const Event = naturalness.Event;
const Sequence = naturalness.Sequence;
const NaturalnessModel = naturalness.NaturalnessModel;

let a = new Event('a');
let b = new Event('b');
let c = new Event('c');
let d = new Event('d');
let e = new Event('e');
let f = new Event('f');

let one = new Sequence([a, b, c, d, e]);
let two = new Sequence([a, b, c, d, c]);
let three = new Sequence([f, f, f, f, f, f, f, f, f, f]);

let model = new NaturalnessModel();

model.learn(one);
model.learn(two);
let crossEntropy = model.crossEntropy(three);

console.log(`crossEntropy is : ${crossEntropy}`);

Java

mvn compile

mvn test

List<Sequence> sequenceList = new ArrayList<Sequence>();
Event a = new Event("a");
Event b = new Event("b");
Event c = new Event("c");
Event d = new Event("d");
Event e = new Event("e");
sequenceList.add(new Sequence(Arrays.asList(a, b, c, d, e)));
sequenceList.add(new Sequence(Arrays.asList(a, b, c, d, c)));
NaturalnessModel model = new NaturalnessModel(3,0);
model.learn(sequenceList.get(0));
double ce = model.crossEntropy(sequenceList.get(1));