PAA
代码说明:
基于PAA的分段线性表示算法:用等宽度窗口分割时间序列,每个窗口内的时间序列用窗口平均值来表示,就得到了时间序列的一种分段线性表示,它的输入参数为分段数,记为K.(PAA-based algorithm for piecewise linear representation: split time series with windows of same width , use the mean of time series in the window to express, it has been a sub-linear time series that it s input parameters as the number of sections, denoted by K.)
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