Hello @minhoo lee
Sorry about the late response, I think what you are looking for is Anomaly detection in time series analytic. I find some resource you may want to have a look -
https://www.youtube.com/watch?v=Ra8HhBLdzHE
https://learn.microsoft.com/en-us/archive/msdn-magazine/2017/november/machine-learning-azure-machine-learning-time-series-analysis-for-anomaly-detection
Above resource are a little bit old, it is how to achieve the target in Azure Machine Learning.
Please let me know if you have more questions.
I hope this helps.
Regards,
Yutong
-Please kindly accept the answer if you feel helpful, thanks a lot.