(countable) Decomposition into components in order to study (a complex thing, concept, theory etc.). / (countable) The result of such a process.

(artificial intelligence, statistics) The classification of objects into different groups, or more precisely, the partitioning of a data set into subsets (clusters), so that the data in each subset (ideally) share some common trait - often proximity according to some defined distance measure.

(philosophy) The analysis of concepts, including, for a given concept, the search for its definition.

(mathematics) Any of several methods for describing and analyzing the behaviour of a system at its limits

(statistics) A collection of statistical models, and their associated procedures, in which the observed variance is partitioned into components due to different explanatory variables.

(linguistics) The process of relating syntactic structures, from the levels of phrases, clauses, sentences and paragraphs to the level of the writing as a whole, to their language-independent meanings, removing features specific to particular linguistic and cultural contexts, to the extent that such a project is possible.

(mathematics) The mathematical study of functions, sequences, series, limits, derivatives and integrals.

(computer science) The conversion of a stream of characters to a stream of meaningful tokens; normally to simplify parsing.

(finance) An analysis of a business with the goal of financial projections in terms of income statement, financial statements and health, its management and competitive advantages, and its competitors and markets.

Analysis performed on oneself, introspection.