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[8.0][ML] Ensure we have sufficient resolution when we reinitialise component models #2170

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merged 1 commit into from Jan 10, 2022

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@tveasey tveasey commented Jan 6, 2022

Backport #2167.

…ent models (elastic#2167)

When we retest if a modelled seasonal component is still appropriate or may contain bias we now require higher
resolution if shorter time windows are available. This is important because if the time series has a mixture of fast and
slow seasonality we will detect the fast seasonality first and then potentially reinitialise it when we detect the slow
seasonality. We should only do this if the window provides us with sufficient resolution to initialise it properly.

Closes elastic#2166.
@tveasey tveasey merged commit df239fa into elastic:8.0 Jan 10, 2022
@tveasey tveasey deleted the port-2167-to-8.0 branch January 10, 2022 10:47
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