methods.py 文件源码

def hierarchicalClustering(X,y,Maxclust, C, Method = 'single', Metric = 'euclidean'):
    # Perform hierarchical/agglomerative clustering on data matrix

    Z = linkage(X, method=Method, metric=Metric)

    # Compute and display clusters by thresholding the dendrogram
    cls = fcluster(Z, criterion='maxclust', t=Maxclust)
    figure()
    #clusterplot(X, cls.reshape(cls.shape[0],1), y=y)
    clusterPlot(X, cls.reshape(cls.shape[0],1), Maxclust, C, y=y)

    # Display dendrogram
    max_display_levels=7
    figure()
    dendrogram(Z, truncate_mode='level', p=max_display_levels, color_threshold=0.5*np.max(Z[:,2]))
    title("Dendrgram of the Hierarchical Clustering")
    show()