"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.getMean = exports.getMedian = void 0; var tslib_1 = require("tslib"); var util_1 = require("@antv/util"); /** * 获得中位数 * @param array */ function getMedian(array) { var arr = (0, tslib_1.__spreadArray)([], array, true); // 先排序 arr.sort(function (a, b) { return a - b; }); var len = arr.length; // median // 0 if (len === 0) { return 0; } // 奇数 if (len % 2 === 1) { return arr[(len - 1) / 2]; } // 偶数 return (arr[len / 2] + arr[len / 2 - 1]) / 2; } exports.getMedian = getMedian; /** * 获得平均值 * @param array */ function getMean(array) { var sum = (0, util_1.reduce)(array, function (r, num) { return r += (isNaN(num) || !(0, util_1.isNumber)(num) ? 0 : num); }, 0); return array.length === 0 ? 0 : sum / array.length; } exports.getMean = getMean; //# sourceMappingURL=stat.js.map