So sánh phương pháp

	Thông tin tương hỗ chuẩn hóa	Chỉ số Rand Điều chỉnh
Lĩnh vực	Đánh giá mô hình	Đánh giá mô hình
Họ	MCDM	MCDM
Năm ra đời	2005	1985
Người khởi xướng	Danon, Diaz-Guilera, Duch, Arenas	Lawrence Hubert, Phipps Arabie
Loại	Information-theoretic metric	External similarity metric
Công trình gốc	Danon, L., Diaz-Guilera, A., Duch, J., & Arenas, A. (2005). Comparing community structure identification. Journal of Statistical Mechanics: Theory and Experiment, 2005(09), P09008.	Hubert, L., & Arabie, P. (1985). Comparing partitions. Journal of Classification, 2(1), 193-218.
Tên gọi khác	NMI, mutual information, information criterion	ARI, adjusted Rand coefficient
Liên quan	5	5
Tóm tắt	Normalized Mutual Information (NMI), popularized by Danon et al. in 2005, is an external clustering evaluation metric based on information theory. It measures the amount of information shared between a predicted clustering and ground truth labels, normalized to a scale between 0 and 1. A value of 1 indicates perfect agreement, while 0 indicates independence.	The Adjusted Rand Index (ARI), developed by Hubert and Arabie in 1985, is an external clustering evaluation metric that measures the agreement between a predicted clustering and a ground truth labeling. It ranges from -1 to 1, where 1 indicates perfect agreement, 0 indicates random clustering, and negative values indicate performance worse than random chance.