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by hammock 502 days ago
Presented as a literal thing, but is really figurative. What I mean is, often you don’t have the data to actually plot/PCA/whatever technique the seasonality, maybe you only have 2 years of data for example. But it dips in October and you have no idea why so you just say “Q4 tends to be a low season for this product” or something equally dubious, with no further analysis or hope of same