time series distance

now support

  • dynamic time warping (DTW)
  • multivariable DTW
  • lb_keogh

todo

  • multivariable lb_keogh
  • edit distance on real (EDR)

demo

$ python demo_dtw.py
dtw
dtw_c ts1 vs ts2
        56.3702652789   0.03 s
dtw_c ts1 vs ts3
        366.425608996   0.03 s
dtw_py ts1 vs ts3
        366.425608996   7.39 s
$ python demo_lb_keogh.py
dtw_c ts1 vs ts2
        101.577439205   0.30 s
lb_keogh_c ts1 vs ts2
        28.1342295012   0.05 s
lb_keogh_c ts1 vs ts3
        4697.5134284    0.05 s
lb_keogh_py ts1 vs ts3
        4697.51370379   0.79 s