我正在寻找 precompute_distances 属性的效用:
class sklearn.cluster.KMeans(n_clusters=8, init=’k-means++’, n_init=10,
max_iter=300, tol=0.0001, precompute_distances=’auto’, verbose=0,
random_state=None, copy_x=True, n_jobs=1, algorithm=’auto’)
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它预先计算了哪些距离?