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index of similarity

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  • similarity — index analogy, conformity (agreement), identity (similarity), par (equality), parity, relation ( …   Law dictionary

  • Similarity (geometry) — Geometry = Two geometrical objects are called similar if one is congruent to the result of a uniform scaling (enlarging or shrinking) of the other. One can be obtained from the other by uniformly stretching , possibly with additional rotation,… …   Wikipedia

  • index —    A recording of an event produced by a connection between an object and its role in the event. In semiotics, as presented by Charles Sanders Peirce (American pragmatist, 1839 1914; pr. purse), there are three kinds of signs: icon, index and… …   Glossary of Art Terms

  • Sørensen similarity index — The Sørensen index, also known as Sørensen’s similarity coefficient, is a statistic used for comparing the similarity of two samples. It was developed by the botanist Thorvald Sørensen and published in 1948 [Sørensen, T. (1948) A method of… …   Wikipedia

  • Jaccard index — The Jaccard index, also known as the Jaccard similarity coefficient (originally coined coefficient de communauté by Paul Jaccard), is a statistic used for comparing the similarity and diversity of sample sets.The Jaccard coefficient measures… …   Wikipedia

  • Semantic similarity — or semantic relatedness is a concept whereby a set of documents or terms within term lists are assigned a metric based on the likeness of their meaning / semantic content. Concretely, this can be achieved for instance by defining a topological… …   Wikipedia

  • Cosine similarity — is a measure of similarity between two vectors by measuring the cosine of the angle between them. The cosine of 0 is 1, and less than 1 for any other angle. The cosine of the angle between two vectors thus determines whether two vectors are… …   Wikipedia

  • Davies–Bouldin index — The Davies–Bouldin index (DBI) (introduced by David L. Davies and Donald W. Bouldin) in 1979 is a metric for evaluating clustering algorithms[1]. This is an internal evaluation scheme, where the validation of how well the clustering has been done …   Wikipedia

  • Trophic state index — The quantities of nitrogen, phosphorus, and other biologically useful nutrients are the primary determinants of a body of water s trophic state index (TSI). Nutrients such as nitrogen and phosphorus tend to be limiting resources in standing water …   Wikipedia

  • U.S. Producer Price Index — The official measure of producer prices in the US is called the Producer Price Index (PPI). It measures average changes in prices received by domestic producers for their output. The PPI was known as the Wholesale Price Index, or WPI, up to 1978 …   Wikipedia

  • Miller index — Planes with different Miller indices in cubic crystals …   Wikipedia

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