08-27-周三_17-09-29

node_modules/d3/src/arrays/median.js

@@ -0,0 +1,16 @@
+import "../math/number";
+import "ascending";
+import "quantile";
+
+d3.median = function(array, f) {
+  var numbers = [],
+      n = array.length,
+      a,
+      i = -1;
+  if (arguments.length === 1) {
+    while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a);
+  } else {
+    while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a);
+  }
+  if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), 0.5);
+};