als-statistics/tests/ratio-column/instruments/z-outliers.test.js

A powerful and lightweight JavaScript library for descriptive statistics, regression, clustering, outlier detection, and noise analysis using a flexible table/column architecture.

const { describe, it } = require('node:test');
const assert = require('node:assert');
const outliersZScore = require('../../../lib/ratio-column/instruments/z-outliers');

describe('outliersZScore function', () => {
   it('should detect no outliers', () => {
      const result = outliersZScore({ zScores: [0, 1, -1, 2, -2], values: [1, 2, 3, 4, 5] }, 3);
      assert.deepStrictEqual(result.values, []);
      assert.deepStrictEqual(result.indexes, []);
      assert.deepStrictEqual(result.zScores, []);
   });
});