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fix incorrect calculations of median and quartiles in some cases, and fix incorrect top 5 amount share calculation

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MaysWind
2026-04-14 23:29:20 +08:00
parent c0641b1db5
commit 36529abf08
5 changed files with 278 additions and 29 deletions
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src/stores/explorer.ts
+16 -12
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@@ -43,6 +43,11 @@ import {
isInteger,
isEquals,
} from '@/lib/common.ts';
import {
median,
percentile,
sumMaxN
} from '@/lib/math.ts';
import {
getUtcOffsetByUtcOffsetMinutes,
parseDateTimeFromUnixTime,
@@ -707,17 +712,16 @@ export const useExplorersStore = defineStore('explorers', () => {
if (sourceAmounts.length > 0) {
sourceAmounts.sort((a, b) => a - b);
statisticData.medianAmount = sourceAmounts[Math.floor(sourceAmounts.length / 2)] as number;
statisticData.p90Amount = sourceAmounts[Math.floor(sourceAmounts.length * 9 / 10)] as number;
statisticData.medianAmount = Math.trunc(median(sourceAmounts, item => item));
statisticData.p90Amount = Math.trunc(percentile(sourceAmounts, 0.9, item => item));
const q1 = sourceAmounts[Math.floor(sourceAmounts.length / 4)] as number;
const q3 = sourceAmounts[Math.floor(sourceAmounts.length * 3 / 4)] as number;
statisticData.interquartileRange = q3 - q1;
const q1 = percentile(sourceAmounts, 0.25, item => item);
const q3 = percentile(sourceAmounts, 0.75, item => item);
statisticData.interquartileRange = Math.trunc(q3 - q1);
}
if (sourceAmounts.length > 5) {
const top5Count = Math.ceil(sourceAmounts.length * 0.05);
const top5AmountSum = sourceAmounts.slice(-top5Count).reduce((sum, amount) => sum + amount, 0);
const top5AmountSum = sumMaxN(sourceAmounts, 5, item => item);
statisticData.top5AmountShare = statisticData.totalAmount > 0 ? 100.0 * top5AmountSum / statisticData.totalAmount : 0;
}
@@ -866,14 +870,14 @@ export const useExplorersStore = defineStore('explorers', () => {
} else if (valueMetric === TransactionExplorerValueMetric.SourceAmountMedian) {
if (allSourceAmountsInDefaultCurrency.length > 0) {
allSourceAmountsInDefaultCurrency.sort((a, b) => a - b);
value = allSourceAmountsInDefaultCurrency[Math.floor(allSourceAmountsInDefaultCurrency.length / 2)] as number;
value = Math.trunc(median(allSourceAmountsInDefaultCurrency, item => item));
} else {
value = 0;
}
} else if (valueMetric === TransactionExplorerValueMetric.SourceAmount90thPercentile) {
if (allSourceAmountsInDefaultCurrency.length > 0) {
allSourceAmountsInDefaultCurrency.sort((a, b) => a - b);
value = allSourceAmountsInDefaultCurrency[Math.floor(allSourceAmountsInDefaultCurrency.length * 9 / 10)] as number;
value = Math.trunc(percentile(allSourceAmountsInDefaultCurrency, 0.9, item => item));
} else {
value = 0;
}
@@ -888,9 +892,9 @@ export const useExplorersStore = defineStore('explorers', () => {
} else if (valueMetric === TransactionExplorerValueMetric.SourceAmountInterquartileRange) {
if (allSourceAmountsInDefaultCurrency.length > 0) {
allSourceAmountsInDefaultCurrency.sort((a, b) => a - b);
const q1 = allSourceAmountsInDefaultCurrency[Math.floor(allSourceAmountsInDefaultCurrency.length / 4)] as number;
const q3 = allSourceAmountsInDefaultCurrency[Math.floor(allSourceAmountsInDefaultCurrency.length * 3 / 4)] as number;
value = q3 - q1;
const q1 = Math.trunc(percentile(allSourceAmountsInDefaultCurrency, 0.25, item => item));
const q3 = Math.trunc(percentile(allSourceAmountsInDefaultCurrency, 0.75, item => item));
value = Math.trunc(q3 - q1);
} else {
value = 0;
}