更新1:
How to define concave and convex Zones of interval data? What is the algorithm for locating them?
Cluster analysis
回答 (1)
2008-04-23 6:28 am
✔ 最佳答案
If you join any line between any elements inside the cluster and if the line falls inside the cluster, the cluster is called convex. Otherwise, it is a concave cluster.
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https://hk.answers.yahoo.com/question/index?qid=20080422000051KK02595