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add skewness and kurtosis to value metric in insights explorer

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MaysWind
2026-04-16 01:24:07 +08:00
parent 02d8b132f5
commit 7a821abbb6
30 changed files with 181 additions and 54 deletions
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src/stores/explorer.ts
+35 -38
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@@ -8,7 +8,7 @@ import { useTransactionCategoriesStore } from './transactionCategory.ts';
import { useTransactionTagsStore } from './transactionTag.ts';
import { useExchangeRatesStore } from './exchangeRates.ts';
import { type BeforeResolveFunction, itemAndIndex, reversed, keys, values } from '@/core/base.ts';
import { type BeforeResolveFunction, itemAndIndex, keys, values } from '@/core/base.ts';
import { NumeralSystem, AmountFilterType } from '@/core/numeral.ts';
import { type DateTime, DateRangeScene, DateRange } from '@/core/datetime.ts';
import { TimezoneTypeForStatistics } from '@/core/timezone.ts';
@@ -20,6 +20,7 @@ import {
TransactionExplorerValueMetric,
DEFAULT_TRANSACTION_EXPLORER_DATE_RANGE
} from '@/core/explorer.ts';
import { AMOUNT_FACTOR } from '@/consts/numeral.ts';
import { ALL_CURRENCIES } from '@/consts/currency.ts';
import { type Account } from '@/models/account.ts';
@@ -46,7 +47,12 @@ import {
import {
median,
percentile,
sumMaxN
sumMaxN,
cumulativePercentage,
varianceAndStandardDeviation,
coefficientOfVariation,
skewness,
kurtosis
} from '@/lib/math.ts';
import {
getUtcOffsetByUtcOffsetMinutes,
@@ -726,26 +732,15 @@ export const useExplorersStore = defineStore('explorers', () => {
}
if (sourceAmounts.length > 0) {
const eightyPercentAmountThreshold: number = 0.8 * statisticData.totalAmount;
let cumulativeAmount: number = 0;
let cumulativeCount: number = 0;
for (const amount of reversed(sourceAmounts)) {
cumulativeAmount += amount;
cumulativeCount++;
if (cumulativeAmount >= eightyPercentAmountThreshold) {
statisticData.transactionsFor80PercentAmount = 100.0 * cumulativeCount / sourceAmounts.length;
break;
}
}
statisticData.transactionsFor80PercentAmount = cumulativePercentage(sourceAmounts, 0.8, statisticData.totalAmount, item => item);
}
if (sourceAmounts.length > 0) {
const averageAmountForVarianceCalculation: number = statisticData.totalAmount / sourceAmounts.length / 100.0;
const sumOfSquaredDifferences: number = sourceAmounts.reduce((sum, amount) => sum + Math.pow(amount / 100.0 - averageAmountForVarianceCalculation, 2), 0);
statisticData.variance = sumOfSquaredDifferences / sourceAmounts.length;
statisticData.standardDeviation = Math.sqrt(statisticData.variance);
statisticData.coefficientOfVariation = averageAmountForVarianceCalculation !== 0 ? statisticData.standardDeviation / averageAmountForVarianceCalculation : undefined;
const averageAmountForVarianceCalculation: number = statisticData.totalAmount / sourceAmounts.length / AMOUNT_FACTOR;
const { variance, standardDeviation } = varianceAndStandardDeviation(sourceAmounts, averageAmountForVarianceCalculation, item => item / AMOUNT_FACTOR);
statisticData.variance = variance;
statisticData.standardDeviation = standardDeviation;
statisticData.coefficientOfVariation = coefficientOfVariation(standardDeviation, averageAmountForVarianceCalculation);
}
return statisticData;
@@ -892,7 +887,12 @@ export const useExplorersStore = defineStore('explorers', () => {
} else {
value = 0;
}
} else if (valueMetric === TransactionExplorerValueMetric.SourceAmountQ1Amount || valueMetric === TransactionExplorerValueMetric.SourceAmountQ3Amount || valueMetric === TransactionExplorerValueMetric.SourceAmount10thPercentile || valueMetric === TransactionExplorerValueMetric.SourceAmount90thPercentile || valueMetric === TransactionExplorerValueMetric.SourceAmount95thPercentile || valueMetric === TransactionExplorerValueMetric.SourceAmount99thPercentile) {
} else if (valueMetric === TransactionExplorerValueMetric.SourceAmountQ1Amount
|| valueMetric === TransactionExplorerValueMetric.SourceAmountQ3Amount
|| valueMetric === TransactionExplorerValueMetric.SourceAmount10thPercentile
|| valueMetric === TransactionExplorerValueMetric.SourceAmount90thPercentile
|| valueMetric === TransactionExplorerValueMetric.SourceAmount95thPercentile
|| valueMetric === TransactionExplorerValueMetric.SourceAmount99thPercentile) {
if (allSourceAmountsInDefaultCurrency.length > 0) {
allSourceAmountsInDefaultCurrency.sort((a, b) => a - b);
@@ -932,18 +932,7 @@ export const useExplorersStore = defineStore('explorers', () => {
} else if (valueMetric === TransactionExplorerValueMetric.TransactionsForEightyPercentOfSourceAmount) {
if (allSourceAmountsInDefaultCurrency.length > 0) {
allSourceAmountsInDefaultCurrency.sort((a, b) => a - b);
const eightyPercentAmountThreshold: number = 0.8 * totalSourceAmountSumInDefaultCurrency;
let cumulativeAmount: number = 0;
let cumulativeCount: number = 0;
for (const amount of reversed(allSourceAmountsInDefaultCurrency)) {
cumulativeAmount += amount;
cumulativeCount++;
if (cumulativeAmount >= eightyPercentAmountThreshold) {
value = 100.0 * cumulativeCount / allSourceAmountsInDefaultCurrency.length;
break;
}
}
value = cumulativePercentage(allSourceAmountsInDefaultCurrency, 0.8, totalSourceAmountSumInDefaultCurrency, item => item);
} else {
value = 0;
}
@@ -962,17 +951,25 @@ export const useExplorersStore = defineStore('explorers', () => {
} else {
value = 0;
}
} else if (valueMetric === TransactionExplorerValueMetric.SourceAmountVariance || valueMetric === TransactionExplorerValueMetric.SourceAmountStandardDeviation || valueMetric === TransactionExplorerValueMetric.SourceAmountCoefficientOfVariation) {
} else if (valueMetric === TransactionExplorerValueMetric.SourceAmountVariance
|| valueMetric === TransactionExplorerValueMetric.SourceAmountStandardDeviation
|| valueMetric === TransactionExplorerValueMetric.SourceAmountCoefficientOfVariation
|| valueMetric === TransactionExplorerValueMetric.SourceAmountSkewness
|| valueMetric === TransactionExplorerValueMetric.SourceAmountKurtosis) {
if (allSourceAmountsInDefaultCurrency.length > 0) {
const averageSourceAmountInDefaultCurrency = totalSourceAmountSumInDefaultCurrency / allSourceAmountsInDefaultCurrency.length / 100.0;
const sumOfSquaredDifferences = allSourceAmountsInDefaultCurrency.reduce((sum, amount) => sum + Math.pow(amount / 100.0 - averageSourceAmountInDefaultCurrency, 2), 0);
const averageSourceAmountInDefaultCurrency = totalSourceAmountSumInDefaultCurrency / allSourceAmountsInDefaultCurrency.length / AMOUNT_FACTOR;
const { variance, standardDeviation } = varianceAndStandardDeviation(allSourceAmountsInDefaultCurrency, averageSourceAmountInDefaultCurrency, item => item / AMOUNT_FACTOR);
if (valueMetric === TransactionExplorerValueMetric.SourceAmountVariance) {
value = sumOfSquaredDifferences / allSourceAmountsInDefaultCurrency.length
value = variance;
} else if (valueMetric === TransactionExplorerValueMetric.SourceAmountStandardDeviation) {
value = Math.sqrt(sumOfSquaredDifferences / allSourceAmountsInDefaultCurrency.length);
value = standardDeviation;
} else if (valueMetric === TransactionExplorerValueMetric.SourceAmountCoefficientOfVariation) {
value = averageSourceAmountInDefaultCurrency !== 0 ? Math.sqrt(sumOfSquaredDifferences / allSourceAmountsInDefaultCurrency.length) / averageSourceAmountInDefaultCurrency : 0;
value = coefficientOfVariation(standardDeviation, averageSourceAmountInDefaultCurrency) ?? 0;
} else if (valueMetric === TransactionExplorerValueMetric.SourceAmountSkewness) {
value = skewness(allSourceAmountsInDefaultCurrency, averageSourceAmountInDefaultCurrency, standardDeviation, item => item / AMOUNT_FACTOR);
} else if (valueMetric === TransactionExplorerValueMetric.SourceAmountKurtosis) {
value = kurtosis(allSourceAmountsInDefaultCurrency, averageSourceAmountInDefaultCurrency, variance, item => item / AMOUNT_FACTOR);
}
} else {
value = 0;