@visactor/vmind/cjs/atom/dataInsight/algorithms/drift/index.js

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"use strict";

var __importDefault = this && this.__importDefault || function(mod) {
    return mod && mod.__esModule ? mod : {
        default: mod
    };
};

Object.defineProperty(exports, "__esModule", {
    value: !0
}), exports.PageHinkleyAlg = exports.pageHinkleyFunc = void 0;

const vutils_1 = require("@visactor/vutils"), array_normalize_1 = __importDefault(require("array-normalize")), type_1 = require("../../type"), types_1 = require("../../../../types"), pageHinkley_1 = require("./pageHinkley"), statistics_1 = require("../statistics"), utils_1 = require("../../utils");

function difference(data) {
    const diff = [];
    for (let i = 1; i < data.length; i++) diff.push(data[i] - data[i - 1]);
    return diff;
}

const pageHinkleyFunc = (context, options) => {
    const result = [], {seriesDataMap: seriesDataMap, cell: cell, spec: spec} = context, {delta: delta, lambda: lambda, threshold: threshold} = options || {}, {y: celly} = cell, yField = (0, 
    vutils_1.isArray)(celly) ? celly.flat() : [ celly ];
    return Object.keys(seriesDataMap).forEach((group => {
        const dataset = seriesDataMap[group];
        yField.forEach((field => {
            if ((0, utils_1.isPercenSeries)(spec, field)) return;
            const pageHinkley = new pageHinkley_1.PageHinkley(delta, lambda, threshold), dataList = dataset.map((v => Number(v.dataItem[field]))), {mean: mean, stdDev: stdDev} = (0, 
            statistics_1.getMeanAndstdDev)(dataList), normalizedDataset = (0, array_normalize_1.default)([ ...dataList, mean + 2 * stdDev, mean - 2 * stdDev ]);
            normalizedDataset.pop(), normalizedDataset.pop();
            difference(normalizedDataset).forEach(((d, index) => {
                pageHinkley.setInput(d) && result.push({
                    type: type_1.InsightType.Outlier,
                    data: [ dataset[index + 1] ],
                    fieldId: field,
                    value: dataset[index + 1].dataItem[field],
                    significant: 1,
                    seriesName: group
                });
            }));
        }));
    })), result;
};

exports.pageHinkleyFunc = pageHinkleyFunc, exports.PageHinkleyAlg = {
    name: "pageHinkley",
    forceChartType: [ types_1.ChartType.DualAxisChart, types_1.ChartType.LineChart, types_1.ChartType.BarChart, types_1.ChartType.AreaChart ],
    insightType: type_1.InsightType.Outlier,
    algorithmFunction: exports.pageHinkleyFunc,
    supportPercent: !1
};
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