Skip to main content
How are we doing? Please help us improve Stack Overflow. Take our short survey

Questions tagged [azure-anomaly-detector]

The Anomaly Detection service detects anomalies automatically in time series data. It supports two functionalities, one is for detecting the whole series with model trained by the time series, another is detecting the last point with model trained by points before.

azure-anomaly-detector
1 vote
1 answer
451 views

How does Kusto series_outliers() calculate anomaly scores?

Can someone please explain how the series_outliers() Kusto function calculates the anomaly scores? I understand that it uses Tukey fences with a min percentile and max percentile given a numeric array,...
superdense23's user avatar
1 vote
2 answers
408 views

What anomaly detection algorithms does Microsoft offer in the Anomaly Detection API

I am exploring the Microsoft Azure anomaly detection API for potential use in my organization. I want to know what algorithms (such as isolation forest, one-class SVM, autoencoder based anomaly ...
sri's user avatar
  • 19
1 vote
1 answer
179 views

When to use “/entire” vs “/last” API in Azure Anomaly Detector?

As I went throught the docs of Anomaly Detector APIs, I've found there're two APIs (or "modes") : /last and /entire. The doc says they're streaming versus batch modes. However, I don't think the ...
Andy Wu's user avatar
  • 13
1 vote
1 answer
107 views

Azure Anomaly Detector - only detects spikes

I am testing anomaly detector on metrics of count of specific event per hour for last 90 days. For some reason I always get spikes (isPositive) only, but never drops, while I'm mostly interested to ...
Alex Michel's user avatar
0 votes
1 answer
222 views

How to use the Multi-variate Anomaly Detection Cognitive Service by Azure?

In the latest version of the Anomaly Detection Service by Azure which supports the Multi-variate Cognitive Service, we need to train a model and then consume it. The quickstart documentation for ...
Anirban Saha's user avatar
  • 1,660
0 votes
1 answer
124 views

Will the anomaly detector provide stateful version?

I have tried the new anomaly detector for some days, it seems workable in most of the cases. But it seems it is total stateless and I have to push all the history data for one single detection. It is ...
Xu Peter's user avatar
0 votes
1 answer
203 views

How to train model with new data in azure cognitive services anomaly detector

I have started studying anomaly detector. According to my use case multivariate anomaly detector is good. I have created a model with my base data with HTTP post API (https://{endpoint}/...
Yash's user avatar
  • 386
0 votes
1 answer
110 views

In Azure Anomaly Detector API,Why is changing sensitivity parameter is not changing response output of detected anomaly?

with reference to notebook available on Azure-site, I have created an experiment, where am pushing some 5000 records of the parameter. I tried changing sensitivity from 90 to 25 but I can-not see any ...
Amar P.'s user avatar
  • 59
-1 votes
1 answer
122 views

Looking for suitable a service in Azure

I'm currently looking for particular service in Azure for my side project. I'd like to build a real-time service that gives alerts or notifications to users by detecting anomaly values from a time ...
DrewDrinksBrewedCoffee's user avatar