Mercurial > repos > bimib > marea
comparison Marea/marea_cluster.py @ 31:944e15aa970a draft
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author | bimib |
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date | Tue, 15 Oct 2019 12:22:43 -0400 |
parents | e6831924df01 |
children | abf0bfe01c78 |
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30:e88efefbd015 | 31:944e15aa970a |
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174 range_n_clusters = [i for i in range(k_min, k_max+1)] | 174 range_n_clusters = [i for i in range(k_min, k_max+1)] |
175 distortions = [] | 175 distortions = [] |
176 scores = [] | 176 scores = [] |
177 all_labels = [] | 177 all_labels = [] |
178 | 178 |
179 clusterer = KMeans(n_clusters=1, random_state=10) | |
180 distortions.append(clusterer.fit(dataset).inertia_) | |
181 | |
182 | |
179 for n_clusters in range_n_clusters: | 183 for n_clusters in range_n_clusters: |
180 clusterer = KMeans(n_clusters=n_clusters, random_state=10) | 184 clusterer = KMeans(n_clusters=n_clusters, random_state=10) |
181 cluster_labels = clusterer.fit_predict(dataset) | 185 cluster_labels = clusterer.fit_predict(dataset) |
182 | 186 |
183 all_labels.append(cluster_labels) | 187 all_labels.append(cluster_labels) |
225 | 229 |
226 ############################## elbow_plot #################################### | 230 ############################## elbow_plot #################################### |
227 | 231 |
228 def elbow_plot (distortions, k_min, k_max): | 232 def elbow_plot (distortions, k_min, k_max): |
229 plt.figure(0) | 233 plt.figure(0) |
230 plt.plot(range(k_min, k_max+1), distortions, marker = 'o') | 234 x = list(range(k_min, k_max + 1)) |
231 plt.xlabel('Number of cluster') | 235 x.insert(0, 1) |
236 plt.plot(x, distortions, marker = 'o') | |
237 plt.xlabel('Number of clusters (k)') | |
232 plt.ylabel('Distortion') | 238 plt.ylabel('Distortion') |
233 s = 'clustering/elbow_plot.png' | 239 s = 'clustering/elbow_plot.png' |
234 fig = plt.gcf() | 240 fig = plt.gcf() |
235 fig.set_size_inches(18.5, 10.5, forward = True) | 241 fig.set_size_inches(18.5, 10.5, forward = True) |
236 fig.savefig(s, dpi=100) | 242 fig.savefig(s, dpi=100) |