nearest neighbor analysis

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• Nearest neighbor search — (NNS), also known as proximity search, similarity search or closest point search, is an optimization problem for finding closest points in metric spaces. The problem is: given a set S of points in a metric space M and a query point… …   Wikipedia

• Nearest-neighbor chain algorithm — In the theory of cluster analysis, the nearest neighbor chain algorithm is a method that can be used to perform several types of agglomerative hierarchical clustering, using an amount of memory that is linear in the number of points to be… …   Wikipedia

• Nearest neighbor graph — A nearest neighbor graph of 100 points in the Euclidean plane. The nearest neighbor graph (NNG) for a set of n objects P in a metric space (e.g., for a set of points in the plane with Euclidean distance) is a directed graph with P being its… …   Wikipedia

• nearest neighbor sequence analysis — a technique for determining the nearest neighbor frequency (q.v.) for a nucleic acid; one nucleotide at a time, radioactive labeling of a nucleotide is followed by enzymatic digestion that transfers the label to the 3′ adjacent nucleotide,… …   Medical dictionary

• nearest neighbor sequence — the sequence determined by nearest neighbor sequence analysis …   Medical dictionary

• k-nearest neighbor algorithm — KNN redirects here. For other uses, see KNN (disambiguation). In pattern recognition, the k nearest neighbor algorithm (k NN) is a method for classifying objects based on closest training examples in the feature space. k NN is a type of instance… …   Wikipedia

• Nearest neighbour algorithm — This article is about an approximation algorithm to solve the travelling salesman problem. For other uses, see Nearest neighbor. The nearest neighbour algorithm was one of the first algorithms used to determine a solution to the travelling… …   Wikipedia

• Data analysis — Analysis of data is a process of inspecting, cleaning, transforming, and modeling data with the goal of highlighting useful information, suggesting conclusions, and supporting decision making. Data analysis has multiple facets and approaches,… …   Wikipedia

• List of numerical analysis topics — This is a list of numerical analysis topics, by Wikipedia page. Contents 1 General 2 Error 3 Elementary and special functions 4 Numerical linear algebra …   Wikipedia

• 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

• 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