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

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"use strict";

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

const vutils_1 = require("@visactor/vutils"), statistics_1 = require("../statistics"), type_1 = require("../../type"), types_1 = require("../../../../types"), utils_1 = require("../../utils"), volatilityAlgo = (context, optioins) => {
    const {seriesDataMap: seriesDataMap, cell: cell, spec: spec} = context, {threshold: threshold = .8} = optioins || {}, {y: celly} = cell, yField = (0, 
    vutils_1.isArray)(celly) ? celly.flat() : [ celly ], result = [];
    return Object.keys(seriesDataMap).forEach((series => {
        const seriesDataset = seriesDataMap[series].map((d => d.dataItem));
        yField.forEach((measureId => {
            if ((0, utils_1.isPercenSeries)(spec, measureId)) return;
            const measureSet = seriesDataset.map((d => Number(d[measureId]))), cv = (0, statistics_1.coefficientVariation)(measureSet);
            Math.abs(cv) > threshold && result.push({
                type: type_1.InsightType.Volatility,
                fieldId: measureId,
                value: cv,
                significant: cv,
                seriesName: series,
                info: {
                    cv: cv
                }
            });
        }));
    })), result;
};

exports.Volatility = {
    name: "volatility",
    chartType: [ types_1.ChartType.LineChart, types_1.ChartType.DualAxisChart, types_1.ChartType.BarChart, types_1.ChartType.AreaChart ],
    insightType: type_1.InsightType.Volatility,
    algorithmFunction: volatilityAlgo,
    supportStack: !0,
    supportPercent: !1
};
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