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Quote: piecewise aggregate approximation divides a time series into equal parts and records the average values; good for distance between series
Topic:
data reduction
Quotation Skeleton
The Piecewise Aggregate Approximation as a data reduction … keep the average values of each segment as … … The transformation based on PAA is very fast. … approximating the distance between time series. Google-1 Google-2
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Topic: data reduction (9 items)