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ENH: change to use array view in signal/_peak_finding.py #3409

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merged 3 commits into from Mar 12, 2014
Merged

ENH: change to use array view in signal/_peak_finding.py #3409

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4f0808a
ENH: change to use array view in signal/_peak_finding.py
yotam Feb 27, 2014
ac545ed
BUG: Center odd size window around index, fixes existing off-by-one eror
yotam Mar 11, 2014
ee6da29
MAINT: Fix PEP 8 violation in _peak_finding.py
yotam Mar 12, 2014
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10 changes: 6 additions & 4 deletions scipy/signal/_peak_finding.py
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Expand Up @@ -386,15 +386,17 @@ def _filter_ridge_lines(cwt, ridge_lines, window_size=None, min_length=None,
min_length = np.ceil(cwt.shape[0] / 4)
if window_size is None:
window_size = np.ceil(num_points / 20)
hf_window = window_size / 2

window_size = int(window_size)
hf_window, odd = divmod(window_size, 2)

#Filter based on SNR
row_one = cwt[0, :]
noises = np.zeros_like(row_one)
for ind, val in enumerate(row_one):
window = np.arange(max([ind - hf_window, 0]), min([ind + hf_window, num_points]))
window = window.astype(int)
noises[ind] = scoreatpercentile(row_one[window], per=noise_perc)
window_start = max(ind - hf_window, 0)
window_end = min(ind + hf_window + odd, num_points)
noises[ind] = scoreatpercentile(row_one[window_start:window_end], per=noise_perc)
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This line is now too long. PEP8 limits lines to at most 79 characters.


def filt_func(line):
if len(line[0]) < min_length:
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