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Handling collections of strings as an input #60

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Handling collections of strings as an input #60

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f66f4e9
updated for string input and edit distance
PR0123 Mar 25, 2023
132e04a
Update fastdtw.py
PR0123 Mar 25, 2023
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7 changes: 5 additions & 2 deletions fastdtw/fastdtw.py
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,9 @@ def __norm(p):


def __fastdtw(x, y, radius, dist):
if not np.issubdtype(x.dtype, np.floating) or not np.issubdtype(y.dtype, np.floating):
return dtw(x, y, dist=dist)

min_time_size = radius + 2

if len(x) < min_time_size or len(y) < min_time_size:
Expand All @@ -76,8 +79,8 @@ def __fastdtw(x, y, radius, dist):


def __prep_inputs(x, y, dist):
x = np.asanyarray(x, dtype='float')
y = np.asanyarray(y, dtype='float')
x = np.asanyarray(x, dtype='str' if isinstance(y[0], str) else 'float')
y = np.asanyarray(y, dtype='str' if isinstance(y[0], str) else 'float')

if x.ndim == y.ndim > 1 and x.shape[1] != y.shape[1]:
raise ValueError('second dimension of x and y must be the same')
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