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basic check to prevent 'orphan' clusters during prune #222

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basic check to prevent 'orphan' clusters during prune #222

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8 changes: 6 additions & 2 deletions pgamit/cluster.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,8 +50,12 @@ def prune(OC, central_points, method='minsize'):
counts = mod.sum(axis=0)
problems = np.sum(counts == 0)
if problems == 0:
subset.append(i)
OC[i, :] = np.zeros(rowlength)
for row in mod:
if np.sum(row) > 0:
problems += ~(np.max(mod[:,row].sum(axis=0)) >= 2)
if problems == 0:
subset.append(i)
OC[i, :] = np.zeros(rowlength)
# Cast subset list to pandas index
dfIndex = pd.Index(subset)
# Cast OC to pandas dataframe
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