Discretize a time series with SAX using chunking (no sliding window).
sax_by_chunking(ts, paa_size, a_size, n_threshold)
the input time series.
the PAA size.
the alphabet size.
the normalization threshold.
Lonardi, S., Lin, J., Keogh, E., Patel, P., Finding motifs in time series. In Proc. of the 2nd Workshop on Temporal Data Mining (pp. 53-68). (2002)