Data Visualization^•

Last modified on 01 Oct 2021.

👉 Note of Matplotlib extra

Dynamic Time Warping (DTW)

Ref here,

from dtaidistance import dtw
from dtaidistance import dtw_visualisation as dtwvis
import numpy as np
s1 = np.array([0., 0, 1, 2, 1, 0, 1, 0, 0, 2, 1, 0, 0])
s2 = np.array([0., 1, 2, 3, 1, 0, 0, 0, 2, 1, 0, 0, 0])
path = dtw.warping_path(s1, s2)
dtwvis.plot_warping(s1, s2, path, filename="warp.png")

If meet err The compiled dtaidistance C library is not available.,

• Try to reinstall the lib from source.

• Or

    pip install -v --force-reinstall --no-deps --no-binary dtaidistance dtaidistance
  

• If you are running notebook, you have to restart the kernel!

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