def test_multivariate(self):
n = 2
values1 = np.repeat(self.series1.univariate_values(), n)
values2 = np.repeat(self.series2.univariate_values(), n)
values1 = values1.reshape((-1, n))
values2 = values2.reshape((-1, n))
multi_series1 = TimeSeries.from_values(values1)
multi_series2 = TimeSeries.from_values(values2)
radius = 2
alignment_uni = dtw.dtw(self.series1,
self.series2,
multi_grid_radius=radius)
alignment_multi = dtw.dtw(multi_series1,
multi_series2,
multi_grid_radius=radius)
self.assertTrue(np.all(alignment_uni.path() == alignment_multi.path()))
def _series_from_values(values):
return TimeSeries.from_values(
np.array(values) if isinstance(values, list) else values)