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- Cluster_analysis abstract "Cluster analysis or clustering is the task of grouping a set of objects in such a way that objects in the same group (called a cluster) are more similar (in some sense or another) to each other than to those in other groups (clusters). It is a main task of exploratory data mining, and a common technique for statistical data analysis, used in many fields, including machine learning, pattern recognition, image analysis, information retrieval, and bioinformatics.Cluster analysis itself is not one specific algorithm, but the general task to be solved. It can be achieved by various algorithms that differ significantly in their notion of what constitutes a cluster and how to efficiently find them. Popular notions of clusters include groups with small distances among the cluster members, dense areas of the data space, intervals or particular statistical distributions. Clustering can therefore be formulated as a multi-objective optimization problem. The appropriate clustering algorithm and parameter settings (including values such as the distance function to use, a density threshold or the number of expected clusters) depend on the individual data set and intended use of the results. Cluster analysis as such is not an automatic task, but an iterative process of knowledge discovery or interactive multi-objective optimization that involves trial and failure. It will often be necessary to modify data preprocessing and model parameters until the result achieves the desired properties.Besides the term clustering, there are a number of terms with similar meanings, including automatic classification, numerical taxonomy, botryology (from Greek βότρυς "grape") and typological analysis. The subtle differences are often in the usage of the results: while in data mining, the resulting groups are the matter of interest, in automatic classification the resulting discriminative power is of interest. This often leads to misunderstandings between researchers coming from the fields of data mining and machine learning, since they use the same terms and often the same algorithms, but have different goals.Cluster analysis was originated in anthropology by Driver and Kroeber in 1932 and introduced to psychology by Zubin in 1938 and Robert Tryon in 1939 and famously used by Cattell beginning in 1943 for trait theory classification in personality psychology.".
- Cluster_analysis thumbnail Cluster-2.svg?width=300.
- Cluster_analysis wikiPageID "669675".
- Cluster_analysis wikiPageRevisionID "605806230".
- Cluster_analysis hasPhotoCollection Cluster_analysis.
- Cluster_analysis subject Category:Cluster_analysis.
- Cluster_analysis subject Category:Data_analysis.
- Cluster_analysis subject Category:Data_mining.
- Cluster_analysis subject Category:Geostatistics.
- Cluster_analysis subject Category:Machine_learning.
- Cluster_analysis subject Category:Multivariate_statistics.
- Cluster_analysis type Genre.
- Cluster_analysis type MusicGenre.
- Cluster_analysis type TopicalConcept.
- Cluster_analysis type Concept.
- Cluster_analysis comment "Cluster analysis or clustering is the task of grouping a set of objects in such a way that objects in the same group (called a cluster) are more similar (in some sense or another) to each other than to those in other groups (clusters).".
- Cluster_analysis label "Algoritmo de agrupamiento".
- Cluster_analysis label "Analiza skupień".
- Cluster_analysis label "Cluster analysis".
- Cluster_analysis label "Clusteranalyse".
- Cluster_analysis label "Clusteranalyse".
- Cluster_analysis label "Clustering".
- Cluster_analysis label "Clustering".
- Cluster_analysis label "Partitionnement de données".
- Cluster_analysis label "Кластерный анализ".
- Cluster_analysis label "データ・クラスタリング".
- Cluster_analysis label "聚类分析".
- Cluster_analysis sameAs Shluková_analýza.
- Cluster_analysis sameAs Clusteranalyse.
- Cluster_analysis sameAs Συσταδοποίηση.
- Cluster_analysis sameAs Algoritmo_de_agrupamiento.
- Cluster_analysis sameAs Multzokatze_(estatistika).
- Cluster_analysis sameAs Partitionnement_de_données.
- Cluster_analysis sameAs Clustering.
- Cluster_analysis sameAs データ・クラスタリング.
- Cluster_analysis sameAs 클러스터_분석.
- Cluster_analysis sameAs Clusteranalyse.
- Cluster_analysis sameAs Analiza_skupień.
- Cluster_analysis sameAs Clustering.
- Cluster_analysis sameAs m.031f5p.
- Cluster_analysis sameAs Q622825.
- Cluster_analysis sameAs Q622825.
- Cluster_analysis wasDerivedFrom Cluster_analysis?oldid=605806230.
- Cluster_analysis depiction Cluster-2.svg.
- Cluster_analysis isPrimaryTopicOf Cluster_analysis.
