iVAE.utils.graph_connection

iVAE.utils.graph_connection(graph: csr_matrix, labels: ndarray)

Compute graph connectivity score for each cluster.

This metric measures how well connected cells within each cluster are in the k-nearest neighbor graph. Higher values indicate better connectivity.

Parameters:

• graph (scipy.sparse.csr_matrix) – Sparse adjacency matrix representing the k-nearest neighbor graph.

• labels (numpy.ndarray) – Cluster labels for each cell.

Returns:

Average connectivity score across all clusters (range: 0 to 1). Higher values indicate cells in the same cluster are well-connected.

Return type:

float