Editing Pattern recognition (section)

===Clustering methods (methods for classifying and predicting categorical labels)===
{{Main|Cluster analysis}}

*Categorical [[mixture model]]s
*[[Hierarchical clustering]] (agglomerative or divisive)
*[[K-means clustering]]
*[[Correlation clustering]]<!-- not an algorithm -->
*[[Kernel principal component analysis]] (Kernel PCA)<!-- but not PCA? -->