Mercurial > hg > nsaunier > traffic-intelligence

comparison python/ml.py @ 878:8e8ec4ece66e

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minor + bug corrected in motion pattern learning
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Fri, 10 Mar 2017 15:31:26 -0500
parents 5dc7a507353e
children 9fd7b18f75b4
comparison
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877:d1ff6917d082 878:8e8ec4ece66e
148 and reassigning all elements in the cluster until no cluster is smaller than minClusterSize 148 and reassigning all elements in the cluster until no cluster is smaller than minClusterSize
149 149
150 TODO: at each step, optimize the prototype as the most similar in its current cluster (can be done easily if similarities are already computed)''' 150 TODO: at each step, optimize the prototype as the most similar in its current cluster (can be done easily if similarities are already computed)'''
151 151
152 # sort instances based on length 152 # sort instances based on length
153 if len(instances) == 0:
154 print('no instances to cluster (empty list)')
155 return None
156
153 indices = range(len(instances)) 157 indices = range(len(instances))
154 if randomInitialization: 158 if randomInitialization:
155 indices = np.random.permutation(indices) 159 indices = np.random.permutation(indices)
156 else: 160 else:
157 def compare(i, j): 161 def compare(i, j):