From 595c255ca3d5c13aaac83a879fa36e8dd792d8e2 Mon Sep 17 00:00:00 2001
From: user1823 <92206575+user1823@users.noreply.github.com>
Date: Sun, 6 Apr 2025 14:51:12 +0530
Subject: [PATCH] Display median interval in Stats instead of mean

Median is better suited than mean for reporting skewed data.
---
 ts/routes/graphs/intervals.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/ts/routes/graphs/intervals.ts b/ts/routes/graphs/intervals.ts
index 5c53e1378..0d860355b 100644
--- a/ts/routes/graphs/intervals.ts
+++ b/ts/routes/graphs/intervals.ts
@@ -168,12 +168,12 @@ export function prepareIntervalData(
         dispatch("search", { query });
     }
 
-    const meanInterval = Math.round(mean(allIntervals) ?? 0);
-    const meanIntervalString = timeSpan(meanInterval * 86400, false);
+    const medianInterval = Math.round(quantile(allIntervals, 0.5) ?? 0);
+    const medianIntervalString = timeSpan(medianInterval * 86400, false);
     const tableData = [
         {
-            label: fsrs ? tr.statisticsAverageStability() : tr.statisticsAverageInterval(),
-            value: meanIntervalString,
+            label: fsrs ? tr.statisticsMedianStability() : tr.statisticsMedianInterval(),
+            value: medianIntervalString,
         },
     ];