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neighbor

The neighbor modules provide functionality for performing nearest neighbor search and pairwise distance calculations in those searches.

This submodule consists of the following modules:

• neighbor.knn_graph: Contains functions for setting up a nearest neighbor search index and constructing knn graphs.

• neighbor.search: Contains a helper function that wraps the default implementation of nearest neighbor searches.

• neighbor.metric: Contains functions for selecting distance metrics for nearest neighbor searches.

• knn_graph
  • DEFAULT_K
  • features_to_knn()
  • construct_knn_graph_from_index()
  • create_knn_graph_and_index()
  • correct_knn_graph()
  • correct_knn_distances_and_indices_with_exact_duplicate_sets_inplace()
  • correct_knn_distances_and_indices()
• metric
  • HIGH_DIMENSION_CUTOFF
  • ROW_COUNT_CUTOFF
  • decide_euclidean_metric()
  • decide_default_metric()
• search
  • construct_knn()