feat: implement new median function

flowup · Jun 17, 2024 · e3a712b · e3a712b
1 parent 52a0f31
commit e3a712b
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/index.js b/src/index.js
@@ -15,6 +15,18 @@ export function sum(values) {
 export function average(values) {
   return sum(values) / values.length;
 }
+/**
+ * Calculated median average of all numbers in array.
+ * @param {number[]} values Numbers to average.
+ * @returns {number} Median of all numbers.
+ */
+export function median(values) {
+  const sorted = sort(values, 'asc');
+  if (sorted.length % 2 === 0) {
+    return average([sorted[sorted.length / 2 - 1], sorted[sorted.length / 2]]);
+  }
+  return sorted[Math.floor(sorted.length / 2)];
+}
 
 /**
  * Sort array by numeric values.