data can have same length as pattern

MaxBenChrist · MaxBenChrist · commit 33c8013c7614 · 2017-08-29T15:05:46.000+02:00
diff --git a/tsfresh/feature_extraction/motifs.py b/tsfresh/feature_extraction/motifs.py
@@ -93,7 +93,7 @@ def _match_scores(data, pattern):
     :return: the array of distance of pattern to each sliding window
     :rtype: numpy.ndarray
     """
-    assert len(data) > len(pattern)
+    assert len(data) >= len(pattern)
 
     res = [_distance(x, pattern) for x in _array_of_sliding_windows(data, len(pattern))]
     return np.array(res)
