Clusters Analysis

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• Cluster analysis — The result of a cluster analysis shown as the coloring of the squares into three clusters. Cluster analysis or clustering is the task of assigning a set of objects into groups (called clusters) so that the objects in the same cluster are more… …   Wikipedia

• Cluster analysis (in marketing) — Cluster analysis is a class of statistical techniques that can be applied to data that exhibit “natural” groupings. Cluster analysis sorts through the raw data and groups them into clusters. A cluster is a group of relatively homogeneous cases or …   Wikipedia

• Determining the number of clusters in a data set — Determining the number of clusters in a data set, a quantity often labeled k as in the k means algorithm, is a frequent problem in data clustering, and is a distinct issue from the process of actually solving the clustering problem. For a certain …   Wikipedia

• Gene chip analysis — Introduction Microarray is a powerful tool for genome analysis. It gives the global view of the genome analysis in a single experiment. Data analysis in the Microarray is a vital part as this part influences the final result. Each microarray… …   Wikipedia

• Formal concept analysis — is a principled way of automatically deriving an ontology from a collection of objects and their properties. The term was introduced by Rudolf Wille in 1984, and builds on applied lattice and order theory that was developed by Birkhoff and others …   Wikipedia

• cluster analysis — A form of multivariate analysis , of which the purpose is to divide a set of objects (such as variables or individuals), characterized by a number of attributes, into a set of clusters or classes, in such a way that the objects in a class are… …   Dictionary of sociology

• Galaxy groups and clusters — are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation.[1] They form the densest part of the large scale structure of the universe. In models for the gravitational formation of… …   Wikipedia

• Cluster analysis — A statistical technique that identifies clusters of stocks whose returns are highly correlated within each cluster and relatively uncorrelated between clusters. Cluster analysis has identified groupings such as growth, cyclical, stable and energy …   Financial and business terms

• cluster analysis — A statistical technique that identifies clusters of stocks whose returns are highly correlated within each cluster and relatively uncorrelated across clusters. Cluster analysis has identified groupings such as growth (growth stocks), cyclical (… …   Financial and business terms

• Liste des clusters de cancer — Cluster de cancer Un cluster de cancer est une occurrence de cancers plus élevée que la normale au sein d une population donnée, dans une aire géographique déterminée ou sur une période de temps donnée. Ce problème de santé publique est un objet… …   Wikipédia en Français

• List of cancer clusters — This is a list of cancer clusters. It should be noted that a cancer cluster is a statistical event, which may or may not have a cause other than chance. There are other cancer clusters that occur without any obvious source of… …   Wikipedia