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修复：统一领券与比价广告数百分位口径 #92

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guke merged 2 commits from codex/ad-count-percentile-fix into main 2026-07-28 13:50:41 +08:00
Conversation 0 Commits 2 Files Changed 2
+22 -10
2 changed files with 22 additions and 10 deletions
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src/app/(main)/ad-revenue-report/page.tsx
+10 -10
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@@ -30,7 +30,7 @@ import {
} from '@ant-design/icons';
import dayjs, { type Dayjs } from 'dayjs';
import { api, errMsg } from '@/lib/api';
import { formatUtcTime, percentile } from '@/lib/format';
import { formatUtcTime, nearestRankPercentile } from '@/lib/format';
import type {
AdRevenueDaily,
AdRevenueHourly,
@@ -758,9 +758,9 @@ export default function AdRevenueReportPage() {
.filter((item) => item.feed_scene === sceneName)
.map((item) => item.sub_count ?? 1);
return {
p5: percentile(counts, 0.05, false),
p50: percentile(counts, 0.5, false),
p95: percentile(counts, 0.95, false),
p5: nearestRankPercentile(counts, 0.05),
p50: nearestRankPercentile(counts, 0.5),
p95: nearestRankPercentile(counts, 0.95),
};
};
return { coupon: summarize('coupon'), comparison: summarize('comparison') };
@@ -1083,12 +1083,12 @@ export default function AdRevenueReportPage() {
</Typography.Text>
</Divider>
<Row gutter={[16, 12]}>
<Col span={4}><Statistic title="单次领券广告数 P5" value={sessionAdCounts.coupon.p5 ?? '-'} precision={1} /></Col>
<Col span={4}><Statistic title="单次领券广告数 P50" value={sessionAdCounts.coupon.p50 ?? '-'} precision={1} /></Col>
<Col span={4}><Statistic title="单次领券广告数 P95" value={sessionAdCounts.coupon.p95 ?? '-'} precision={1} /></Col>
<Col span={4}><Statistic title="单次比价广告数 P5" value={sessionAdCounts.comparison.p5 ?? '-'} precision={1} /></Col>
<Col span={4}><Statistic title="单次比价广告数 P50" value={sessionAdCounts.comparison.p50 ?? '-'} precision={1} /></Col>
<Col span={4}><Statistic title="单次比价广告数 P95" value={sessionAdCounts.comparison.p95 ?? '-'} precision={1} /></Col>
<Col span={4}><Statistic title="单次领券广告数 P5" value={sessionAdCounts.coupon.p5 ?? '-'} precision={0} /></Col>
<Col span={4}><Statistic title="单次领券广告数 P50" value={sessionAdCounts.coupon.p50 ?? '-'} precision={0} /></Col>
<Col span={4}><Statistic title="单次领券广告数 P95" value={sessionAdCounts.coupon.p95 ?? '-'} precision={0} /></Col>
<Col span={4}><Statistic title="单次比价广告数 P5" value={sessionAdCounts.comparison.p5 ?? '-'} precision={0} /></Col>
<Col span={4}><Statistic title="单次比价广告数 P50" value={sessionAdCounts.comparison.p50 ?? '-'} precision={0} /></Col>
<Col span={4}><Statistic title="单次比价广告数 P95" value={sessionAdCounts.comparison.p95 ?? '-'} precision={0} /></Col>
</Row>
</Card>
)}
src/lib/format.ts
+12
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@@ -37,6 +37,18 @@ export function percentile(values: readonly number[], q: number, round = true):
return round ? Math.round(result) : result;
}
/**
* 离散计数分位数（nearest-rank）。
* 广告条数等不可拆分的计数不做线性插值，结果始终取自真实样本。
*/
export function nearestRankPercentile(values: readonly number[], q: number): number | null {
if (!values.length) return null;
const sorted = [...values].sort((a, b) => a - b);
const quantile = Math.min(1, Math.max(0, q));
const rank = Math.max(1, Math.ceil(quantile * sorted.length));
return sorted[rank - 1];
}
const hasTz = (v: string) => /(?:Z|[+-]\d{2}:?\d{2})$/i.test(v);
/** 把 UTC 口径字符串解析为带时区的 dayjs(无时区后缀的补 Z 当 UTC)。 */