ClusteringAlgorithms.md (640B)
1 # Clustering Algorithms 2 3 ML L1 4 5 **Definition:** An algorithm that groups data together with other like items. 6 7 Think google news group related stories amongst other things. 8 9 This is often done via [UnsupervisedLearning](UnsupervisedLearning.md) 10 11 An important distinction between this and [ClassificationProblem](ClassificationProblem.md) is that clustering algorithms don't know the groupings before hand and are unsupervised. This means they know certain samples are similar, but does not have a term to describe said membership. 12 13 Clustering algorithms can also be hierarchical where they have groupings and then subgroupings as well.