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How to find time patterns in data?
There is a log consisting of events of only three types: A and B and Y. The record is two columns: timestamp and type ("A", "B" or "Y").
There is a hypothesis that a certain separation in time of events A and B causes event Y.
Based on the data, how to find the most probable pattern of events A and B that causes Y?
For example, it turns out that most often the event Y, among other things, was preceded by events in the following mask:
-50 секунд: А
-35 секунд: Б
-05 секунд: снова А
00 секунд: происходит событие Й
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Looks like I found it: Kernel Density Estimation (KDE) - Kernel Density Estimation (kernel smoothing ). Read more . For my task, I need to align the data segments for the Y event and take the largest peaks in KDE for the A and B events. Selecting the width of the window and kernel is a separate issue.
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