deno.land / x / simplestatistics@v7.8.3 / test / combine_variances.test.js
123456789101112131415161718192021222324252627282930313233343536373839/* eslint no-shadow: 0 */
const test = require("tap").test;const ss = require("../dist/simple-statistics.js");
test("combineVariances", function (t) { t.test("can combine the variances of two lists", function (t) { const values1 = [8, 3, 4]; const values2 = [2, 6, 4];
t.equal( +ss .combineVariances( ss.variance(values1), ss.mean(values1), values1.length, ss.variance(values2), ss.mean(values2), values2.length ) .toPrecision(3), 3.92 ); t.equal( ss.combineVariances( ss.variance(values1), ss.mean(values1), values1.length, ss.variance(values2), ss.mean(values2), values2.length ), ss.variance(values1.concat(values2)) ); t.end(); }); t.end();});
Version Info