diff --git a/function/smooth/17-smooth.html b/function/smooth/17-smooth.html
index 81643a1b6..1083ec1aa 100644
--- a/function/smooth/17-smooth.html
+++ b/function/smooth/17-smooth.html
@@ -10,6 +10,7 @@
+
diff --git a/function/smooth/17-smooth.js b/function/smooth/17-smooth.js
index c34c04aa2..9545051be 100644
--- a/function/smooth/17-smooth.js
+++ b/function/smooth/17-smooth.js
@@ -54,6 +54,17 @@ module.exports = function(RED) {
v[top].tot = v[top].tot + n - v[top].pop;
value = v[top].tot / v[top].a.length;
}
+ if (node.action === "median") {
+ var sortedForMedian = v[top].a.slice().sort((a, b) => a - b);
+ var medianIndex = Math.floor(v[top].iter / 2);
+ if (v[top].iter % 2 === 0) {
+ value = (sortedForMedian[medianIndex - 1] + sortedForMedian[medianIndex]) / 2;
+ }
+ else {
+ value = sortedForMedian[medianIndex]
+ }
+ }
+
if (node.action === "sd") {
v[top].tot = v[top].tot + n - v[top].pop;
v[top].tot2 = v[top].tot2 + (n*n) - (v[top].pop * v[top].pop);
diff --git a/test/function/smooth/17-smooth_spec.js b/test/function/smooth/17-smooth_spec.js
index ac7c7fc71..3e92ecc66 100644
--- a/test/function/smooth/17-smooth_spec.js
+++ b/test/function/smooth/17-smooth_spec.js
@@ -48,6 +48,31 @@ describe('smooth node', function() {
});
});
+
+
+ it('should average over a number of inputs using median', function(done) {
+ var flow = [{"id":"n1", "type":"smooth", action:"median", count:"5", round:"true", wires:[["n2"]] },
+ {id:"n2", type:"helper"} ];
+ helper.load(testNode, flow, function() {
+ var n1 = helper.getNode("n1");
+ var n2 = helper.getNode("n2");
+ var c = 0;
+ n2.on("input", function(msg) {
+ c += 1;
+ if (c === 4) { msg.should.have.a.property("payload", 55); }
+ if (c === 5) { msg.should.have.a.property("payload", 100); }
+ if (c === 6) { msg.should.have.a.property("payload", 550); done(); }
+ });
+ n1.emit("input", {payload:1});
+ n1.emit("input", {payload:10});
+ n1.emit("input", {payload:100});
+ n1.emit("input", {payload:1000});
+ n1.emit("input", {payload:10000});
+ n1.emit("input", {payload:100000});
+ });
+ });
+
+
it('should average over a number of inputs - another property - foo', function(done) {
var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", round:"true", property:"foo", wires:[["n2"]] },
{id:"n2", type:"helper"} ];