NNSOM.utils.closest_class_cluster

NNSOM.utils.closest_class_cluster(cat_feature, clust)[source]

Return the class of the closest data point in each cluster.

Parameters:
  • cat_feature (array-like, shape (N,)) – Categorical feature values for all data points.

  • clust (list of array-like) – A list of cluster index arrays sorted by distance to the winning neuron (closest first).

Returns:

closest_class – Class label of the nearest data point in each cluster. None for empty clusters.

Return type:

np.ndarray, shape (numNeurons,)