An Improvement of PAA on Trend-Based Approximation for Time Series.

Chunkai Zhang Yingyang Chen Ao Yin Zhen Qin Xing Zhang Keli Zhang Zoe Lin Jiang

Published in: CoRR (2019)

Keyphrases

turning points
weather forecasting
information systems
clustering algorithm
data structure
significant improvement
stock market
multivariate time series
website
search algorithm
least squares
non stationary
closed form
error bounds
approximation algorithms
abnormal patterns