• hierarchy of clusters. Strategies for hierarchical clustering generally fall into two categories: Agglomerative: Agglomerative: Agglomerative clustering, often...
    31 KB (3,496 words) - 11:28, 23 May 2025
  • curse in three steps: Hierarchical Clustering: Assets are grouped into clusters based on their correlations, forming a hierarchical tree structure. Quasi-Diagonalization:...
    30 KB (3,698 words) - 23:34, 15 June 2025
  • Thumbnail for Cluster analysis
    alternative clustering, multi-view clustering): objects may belong to more than one cluster; usually involving hard clusters Hierarchical clustering: objects...
    75 KB (9,513 words) - 02:05, 30 April 2025
  • Density-based spatial clustering of applications with noise (DBSCAN) is a data clustering algorithm proposed by Martin Ester, Hans-Peter Kriegel, Jörg...
    29 KB (3,492 words) - 03:47, 7 June 2025
  • iterative reducing and clustering using hierarchies) is an unsupervised data mining algorithm used to perform hierarchical clustering over particularly large...
    13 KB (2,275 words) - 14:43, 28 April 2025
  • Complete-linkage clustering is one of several methods of agglomerative hierarchical clustering. At the beginning of the process, each element is in a cluster of its...
    14 KB (2,170 words) - 02:21, 7 May 2025
  • Thumbnail for Hierarchy
    Design Hierarchical Bayes model Hierarchical clustering Hierarchical clustering of networks Hierarchical constraint satisfaction Hierarchical linear modeling...
    61 KB (5,943 words) - 16:18, 12 June 2025
  • Hierarchical clustering is one method for finding community structures in a network. The technique arranges the network into a hierarchy of groups according...
    4 KB (541 words) - 19:56, 12 October 2024
  • Thumbnail for Microarray analysis techniques
    p-values. Clustering is a data mining technique used to group genes having similar expression patterns. Hierarchical clustering, and k-means clustering are...
    31 KB (3,567 words) - 04:54, 11 June 2025
  • Thumbnail for Dendrogram
    Dendrogram (category Cluster analysis)
    frequently used in different contexts: in hierarchical clustering, it illustrates the arrangement of the clusters produced by the corresponding analyses...
    6 KB (499 words) - 07:10, 2 May 2025
  • Thumbnail for Unrooted binary tree
    structures, but in the applications of unrooted binary trees in hierarchical clustering and evolutionary tree reconstruction, unordered trees are more...
    14 KB (1,971 words) - 05:59, 2 June 2025
  • single-linkage clustering is one of several methods of hierarchical clustering. It is based on grouping clusters in bottom-up fashion (agglomerative clustering), at...
    17 KB (2,496 words) - 01:05, 12 November 2024
  • adjacency list for a graph. Tree structure Hierarchical query Hierarchical clustering Silberschatz, Abraham; Korth, Henry F.; Sudarshan, S. Database...
    7 KB (821 words) - 16:25, 7 January 2025
  • Sadaaki; Kaizu, Yousuke; Endo, Yasunori (2016). Hierarchical and Non-Hierarchical Medoid Clustering Using Asymmetric Similarity Measures. 2016 Joint...
    17 KB (1,907 words) - 07:41, 30 April 2025
  • (Clustering Using REpresentatives) is an efficient data clustering algorithm for large databases[citation needed]. Compared with K-means clustering it...
    6 KB (788 words) - 18:03, 29 March 2025
  • Thumbnail for Community structure
    Another method for finding community structures in networks is hierarchical clustering. In this method one defines a similarity measure quantifying some...
    37 KB (4,591 words) - 20:57, 1 November 2024
  • Hierarchical clustering Single-linkage clustering Conceptual clustering Cluster analysis BIRCH DBSCAN Expectation–maximization (EM) Fuzzy clustering Hierarchical...
    39 KB (3,386 words) - 19:51, 2 June 2025
  • Thumbnail for Spectral clustering
    {\displaystyle j} . The general approach to spectral clustering is to use a standard clustering method (there are many such methods, k-means is discussed...
    27 KB (3,562 words) - 02:56, 14 May 2025
  • Thumbnail for Asteroid family
    asteroid families. The most prominent algorithms have been the hierarchical clustering method (HCM), which looks for groupings with small nearest-neighbour...
    71 KB (2,445 words) - 11:00, 1 August 2024
  • UPGMA (category Cluster analysis algorithms)
    method with arithmetic mean) is a simple agglomerative (bottom-up) hierarchical clustering method. It also has a weighted variant, WPGMA, and they are generally...
    17 KB (2,430 words) - 07:09, 9 July 2024
  • of hierarchical clustering is: Time complexity is O ( N 3 ) {\displaystyle O(N^{3})} due to the repetitive calculations done after every cluster to update...
    31 KB (4,098 words) - 21:03, 14 April 2025
  • Automatic clustering algorithms are algorithms that can perform clustering without prior knowledge of data sets. In contrast with other cluster analysis...
    13 KB (1,625 words) - 12:02, 20 May 2025
  • Thumbnail for Hierarchical network model
    nodes' clustering coefficients: as other models would predict a constant clustering coefficient as a function of the degree of the node, in hierarchical models...
    9 KB (1,192 words) - 03:30, 26 March 2024
  • Ward's method (category Cluster analysis algorithms)
    suggested a general agglomerative hierarchical clustering procedure, where the criterion for choosing the pair of clusters to merge at each step is based...
    6 KB (1,107 words) - 06:57, 28 May 2025
  • OPTICS algorithm (category Cluster analysis algorithms)
    Ordering points to identify the clustering structure (OPTICS) is an algorithm for finding density-based clusters in spatial data. It was presented in 1999...
    16 KB (2,133 words) - 23:19, 3 June 2025
  • for interpreting and graphing linkage data sets is called Hierarchical Clustering. Clustering organizes things into groups based on similarity. In the...
    12 KB (1,460 words) - 00:35, 7 October 2023
  • Nearest-neighbor chain algorithm (category Cluster analysis algorithms)
    of cluster analysis, the nearest-neighbor chain algorithm is an algorithm that can speed up several methods for agglomerative hierarchical clustering. These...
    27 KB (3,651 words) - 00:34, 6 June 2025
  • Consensus clustering is a method of aggregating (potentially conflicting) results from multiple clustering algorithms. Also called cluster ensembles or...
    22 KB (2,951 words) - 05:21, 11 March 2025
  • step for the K-means algorithm or the hierarchical clustering algorithm. It is intended to speed up clustering operations on large data sets, where using...
    3 KB (398 words) - 16:27, 6 September 2024
  • issue from the process of actually solving the clustering problem. For a certain class of clustering algorithms (in particular k-means, k-medoids and...
    20 KB (2,763 words) - 23:09, 7 January 2025