/Python/How to draw dendrogram in python

How to draw dendrogram in python

>>> from scipy.cluster import hierarchy
>>> import matplotlib.pyplot as plt

Source: docs.scipy.org

How to draw dendrogram in python

>>> hierarchy.set_link_color_palette(['m', 'c', 'y', 'k'])
>>> fig, axes = plt.subplots(1, 2, figsize=(8, 3))
>>> dn1 = hierarchy.dendrogram(Z, ax=axes[0], above_threshold_color='y',
...                            orientation='top')
>>> dn2 = hierarchy.dendrogram(Z, ax=axes[1],
...                            above_threshold_color='#bcbddc',
...                            orientation='right')
>>> hierarchy.set_link_color_palette(None)  # reset to default after use
>>> plt.show()

Source: docs.scipy.org

How to draw dendrogram in python

>>> ytdist = np.array([662., 877., 255., 412., 996., 295., 468., 268.,
...                    400., 754., 564., 138., 219., 869., 669.])
>>> Z = hierarchy.linkage(ytdist, 'single')
>>> plt.figure()
>>> dn = hierarchy.dendrogram(Z)

Source: docs.scipy.org

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