Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Andowinger add median #896

Open
wants to merge 5 commits into
base: master
Choose a base branch
from
Open

Andowinger add median #896

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
4508c3f
Update 17-smooth.html
andowinger Mar 27, 2022
262976e
Update 17-smooth.js
andowinger Mar 27, 2022
7567d9f
Update 17-smooth.js
andowinger Mar 27, 2022
402d30f
Merge branch 'node-red:master' into andowinger-add-median
andowinger Apr 10, 2022
870e9cd
Add files via upload
andowinger Apr 10, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions function/smooth/17-smooth.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
<option value="max">Return the maximum value seen</option>
<option value="min">Return the minimum value seen</option>
<option value="mean">Return the mean value</option>
<option value="median">Return the median value</option>
<option value="sd">Return the standard deviation</option>
<option value="low">Perform low pass filter</option>
<option value="high">Perform high pass filter</option>
Expand Down
11 changes: 11 additions & 0 deletions function/smooth/17-smooth.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down
25 changes: 25 additions & 0 deletions test/function/smooth/17-smooth_spec.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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"} ];
Expand Down