From 5f5226787cb8279ee995f18e65167481ec2b4936 Mon Sep 17 00:00:00 2001
From: DCoded <dcoded@live.com>
Date: Mon, 3 Aug 2020 14:42:55 -0400
Subject: [PATCH] Added median()
---
js/utils.js | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/js/utils.js b/js/utils.js
index 686924dddbc..01152144f8c 100644
--- a/js/utils.js
+++ b/js/utils.js
@@ -385,3 +385,19 @@ function deepAssign(target, source) {
}
}
}
+
+/**
+ * Returns the median number of an array
+ * For more information about mean vs. median see
+ * https://www.clinfo.eu/mean-median/
+ * @param {[number]} arr Does not need to be sorted
+ */
+function median(arr = []) {
+ arr.sort();
+
+ const mid = Math.ceil(arr.length / 2);
+
+ return arr.length % 2 === 0 ?
+ (arr[mid] + arr[mid - 1] / 2) :
+ arr[mid - 1];
+}
--
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