gtest

Calculate a G-test.

example

var gtest = require('gtest');
var chi = require('chi-squared');
 
var g = gtest({ yes : 15, no : 65 }, { yes : 38, no : 82 });
console.log('g-test: ' + g);
 
var p = 1 - chi.pdf(g, 1);
console.log('confidence: ' + (p * 100) + ' %');

output:

g-test: 4.236899264271143
confidence: 97.67000488131295 %

methods

var gtest = require('gtest');

gtest(a, b)

Return the liklihood ratio from the populations a and b.

Populations should have 2 or more of the keys: yes, no, total.

install

With npm do:

npm install gtest

license

MIT/X11