A 30-day moving average turns a one day spike of magnitude X into a sudden sustained increase of X/30 that suddenly disappears 30 days later
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@avibryant@snoble this is exactly the reason why one uses an expoential decay in a time window -
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@avibryant I wonder if there is an adversarial strategy in the market that looks for an exploits when others bots make this error
End of conversation
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@avibryant@snoble Computing the ratio of 30-day unique X to 1-day unique X can be useful. But that's as far as it goes.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@avibryant@snoble I don't miss answering questions about why registrations are down so much, when they were so high this day last week.Thanks. Twitter will use this to make your timeline better. UndoUndo
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