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illustrare il funzionamento dei vari concept drift detectors #4

@emanueledellavalle

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@emanueledellavalle

nelle slide del modulo su drift detection presentiamo diversi detector. Sarebbe bello avere un'immagine che illustra l'idea per ciascuno.

Ad esempio, la seguente immagine è un Illustration of the Page-Hinckley test to detect abrupt decreases of a signal. The solid red line shows the temporal evolution of some signal, the purple dotted line shows the computed result of the Page-Hinckley test that we use as observation to detect abrupt signal drops. At time t = 14 a drop of the signal occurs and is correctly detected (peak of purple dotted line). leading to m ω,t = M ω,t and thusˆmthusˆ thusˆm ω,t = 0.

Illustration-of-the-Page-Hinckley-test-to-detect-abrupt-decreases-of-a-signal-The-solid_W640

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