average_cluster_size

er_evaluation.summary.average_cluster_size(membership)

Compute the average cluster size.

Parameters:

membership (Series) – Membership vector representation of a clustering.

Returns:

Average cluster size.

Return type:

float

Examples

>>> membership = pd.Series(index=[1,2,3,4,5,6,7,8], data=[1,1,2,3,2,4,4,4])
>>> average_cluster_size(membership)
2.0