Introduction to clustering learning - Code World

Introduction to clustering learning

Mobile 2023-10-05 10:08:09 views: null

1.Background

The "intra-cluster similarity" of the clustering results is high and the "inter-cluster similarity" is low, that is, samples in the same cluster are as similar to each other as possible, and samples in different clusters are as different as possible.

2. Performance metrics

2.1 External indicators

(1)Jaccard coefficient

(2) FM index

(3) Rand index

2.2 Internal indicators

(1) DB index

(2)Dunn index

3. Distance calculation

(1) Euclidean distance

(2)Manhattan distance

(3) Minkowski distance

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