Azure Anomaly Detector
An Azure cognitive service that is used to embed time-series anomaly detection capabilities into apps to help identify problems quickly.
25 questions
Content
1 answer
One of the answers was accepted by the question author.
How does Stream Analytics Anomaly Detection work?
I am new to Azure and am testing out their in-built Anomaly Detection function (AnomalyDetection_ChangePoint). I have connected live streaming data from a temperature sensor in an office with readings that hover around 28C when the aircon is on and…
asked 2022-09-27T02:03:37.313+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(163.2, 56.00000000000001%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3E1%3C/text%3E%3C/svg%3E)
116dreamer
26
Reputation points
accepted 2022-10-14T05:56:12.883+00:00
116dreamer
26
Reputation points
1 answer
One of the answers was accepted by the question author.
Azure Anomaly Detector API does not detect a very high drop
Hi, I'm trying to work with the anomaly detector API, and I'm getting some results I don't understand. On the example data, I have a very high drop but the anomaly detector fail to identify it. I've tried a lot of different combinations of…
asked 2022-05-26T15:55:36.283+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(89.60000000000001, 52%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAM%3C/text%3E%3C/svg%3E)
Alon Mansour
21
Reputation points
commented 2022-06-07T10:50:24.4+00:00
romungi-MSFT
33,011
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Anomaly Detection for High-Frequency Data
Hi there, Is my understanding correct, that univariate detection is not very suitable when trying to detect anomalies in high-frequency (millisecond-sampling frequency) due to the limited number of datapoints (8640)? Would the alternative just be to…
asked 2021-07-27T07:30:39.33+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(208, 47%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHM%3C/text%3E%3C/svg%3E)
Hans Meyer
46
Reputation points
accepted 2021-08-02T07:27:17.697+00:00
Hans Meyer
46
Reputation points
1 answer
One of the answers was accepted by the question author.
Multivariate Streaming Anomaly Detection?
Hi there, Is my understanding correct, that the multivariate anomaly detection API can only detect anomalies on a batch of timeseries data, and might therefore not be very suitable for real-time anomaly detection (i.e. streaming anomaly detection)? Are…
asked 2021-05-06T08:53:02.62+00:00
Hans Meyer
46
Reputation points
accepted 2021-07-27T11:22:10.123+00:00
Hans Meyer
46
Reputation points
1 answer
One of the answers was accepted by the question author.
What are the detection modes of azure anomaly detector?
What are the detection modes of azure anomaly detector and how do we access them with the URI? [Note: As we migrate from MSDN, this question has been posted by an Azure Cloud Engineer as a frequently asked question] Source: MicrosoftDocs
asked 2020-05-13T00:25:31.89+00:00
Mike Ubezzi
2,771
Reputation points
commented 2021-06-25T01:19:07.15+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(3.2, 26%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVA%3C/text%3E%3C/svg%3E)
Vincent Anthony Diaz
1
Reputation point
1 answer
One of the answers was accepted by the question author.
Retrain and update Anomaly Detector model
Is there a way to retrain an existing Azure Anomaly Detector API model with a different batch of data?
asked 2021-05-31T10:52:27.74+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(76.8, 72%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPS%3C/text%3E%3C/svg%3E)
Pratyush Saha
31
Reputation points
commented 2021-06-01T07:14:22.037+00:00
Pratyush Saha
31
Reputation points
1 answer
One of the answers was accepted by the question author.
How to use Azure Anomaly Detection on IOT edge module?
I want to demo a POC which sends data from SimulatedTemperatureSensor available on Azure Marketplace. This data should be sent to Stream Analytics module on Edge and then Anomaly Detection Module Should send only anomaly data to IOT Hub. I need some…
asked 2021-03-12T12:14:18.453+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(195.2, 38%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAS%3C/text%3E%3C/svg%3E)
Anurag Shelar
181
Reputation points
commented 2021-03-22T11:53:07.517+00:00
Sander van de Velde
17,941
Reputation points MVP