From 35f9d72b5a859b66b5a09773351e80cf11272fa6 Mon Sep 17 00:00:00 2001
From: Mike Bostock <mbostock@gmail.com>
Date: Thu, 3 Oct 2019 20:40:11 -0700
Subject: [PATCH] Fix #123.

---
 src/quantile.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/quantile.js b/src/quantile.js
index a467f7d1..da6e5c1f 100644
--- a/src/quantile.js
+++ b/src/quantile.js
@@ -2,7 +2,9 @@ import ascending from "./ascending.js";
 import number, {numbers} from "./number.js";
 
 export default function quantile(values, p, valueof) {
-  return quantileSorted(Float64Array.from(numbers(values, valueof)).sort(ascending), p);
+  values = Float64Array.from(numbers(values, valueof));
+  values.sort(ascending);
+  return quantileSorted(values, p);
 }
 
 export function quantileSorted(values, p, valueof = number) {