Dear Group Members,
I am looking for algorithms on Anomaly detection in time series data. I am working on Air compressor sensor data. If any one has worked on similar projects, please share your thoughts.
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Hi,
I have found this Blog with several tools and examples about Anomaly study cases:
Hope it helps
Carlos
Hello
I came across IntelliPredikt who have developed Time Series based Anomaly detection using HTM algorithm for streaming Starter Motor sensor data. If you are interested to learn more please reach them on [email protected]
Thanks Ramesh for the suggestion..:)
bk ramesh said:
Hello
I came across IntelliPredikt who have developed Time Series based Anomaly detection using HTM algorithm for streaming Starter Motor sensor data. If you are interested to learn more please reach them on [email protected]
Thanks Carlos for your suggestion...:)
Carlos Lizárraga Celaya said:
Hi,
I have found this Blog with several tools and examples about Anomaly study cases:
Hope it helps
Carlos
Sunil, I've used Kolmogorov-Smirnov test (KS for short) before for outlier detection which is good. Break up your time-series data into a sliding windows with an option of overlap. The input is now a matrix of mxn, ie, m rows and n columns. m is the number of windows and n is the number of time-period per window. The KS will tell you which window/s is the outlier, it may be multiple windows or just a single or even no outlier found. What language you develop in? I mainly work in Matlab & Java. There are tons of others for use in outlier/anomaly detection for time-series, so if you work in matlab or java then I can show you more & where to get those packages from each authors' sites.
Look at the Netflix Surus/RAD package.
There are various packages for anomaly detection, but you can also start with simple things such as -
I am spreading this in my network, will come back when I get some info for you. Cheers.
i wrote a whole thesis on it using LSTMs http://mars.gmu.edu/handle/1920/10250 . . you may not want to do that so i have a literature review in it too to guide you.
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