code: def kmeans_plusplus_initializer_collection():
      (sample1, centers1) = template_kmeans_plusplus_initializer(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 2, False
      )
      (sample2, centers2) = template_kmeans_plusplus_initializer(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 3, False
      )
      (sample3, centers3) = template_kmeans_plusplus_initializer(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE3, 4, False
      )
      (sample4, centers4) = template_kmeans_plusplus_initializer(
          FCPS_SAMPLES.SAMPLE_TWO_DIAMONDS, 2, False
      )
  
      visualizer = cluster_visualizer(4, 2)
      visualizer.append_cluster(sample1, canvas=0)
      visualizer.append_cluster(
          centers1, canvas=0, marker="*", markersize=10
      )
  
      visualizer.append_cluster(sample2, canvas=1)
      visualizer.append_cluster(
          centers2, canvas=1, marker="*", markersize=10
      )
  
      visualizer.append_cluster(sample3, canvas=2)
      visualizer.append_cluster(
          centers3, canvas=2, marker="*", markersize=10
      )
  
      visualizer.append_cluster(sample4, canvas=3)
      visualizer.append_cluster(
          centers4, canvas=3, marker="*", markersize=10
      )
      visualizer.show()
  
file_path: pyclustering/pyclustering/cluster/examples/center_initializer_examples.py
imports: from pyclustering.utils import read_sample
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
  from pyclustering.samples.definitions import FCPS_SAMPLES
  from pyclustering.cluster import cluster_visualizer
  from pyclustering.cluster.center_initializer import kmeans_plusplus_initializer
label_desc: Use image node_id 7 for calling a global function with example usage: kmeans_plusplus_initializer_collection() without return types