onix-core/dist/fn/number/StdDeviation.js

Onix library core

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.stdDeviation = void 0;
const tslib_1 = require("tslib");
const mean_1 = tslib_1.__importDefault(require("lodash/mean"));
const stdDeviation = (arr) => {
    var avg = mean_1.default(arr), sum = 0;
    for (var i = 0; i < arr.length; i++) {
        sum += Math.pow(arr[i] - avg, 2);
    }
    return Math.sqrt(sum / (arr.length - 1));
};
exports.stdDeviation = stdDeviation;
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