ordinal variable
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Ordinal collapsing function — In mathematical logic and set theory, an ordinal collapsing function (or projection function) is a technique for defining (notations for) certain recursive large countable ordinals, whose principle is to give names to certain ordinals much larger … Wikipedia
Ordinal notation — In mathematical logic and set theory, an ordinal notation is a finite sequence of symbols from a finite alphabet which names an ordinal number according to some scheme which gives meaning to the language. There are many such schemes of ordinal… … Wikipedia
Ordinal date — An ordinal date is a calendar date typically consisting of a year and a day of year ranging between 1 and 366 (starting on January 1), though year may sometimes be omitted. The two numbers can be formatted as YYYY DDD to comply with the ISO 8601… … Wikipedia
Variable estadística — Una variable es una característica que al ser medida en diferentes individuos es susceptible de adoptar diferentes valores. Existen diferentes tipos de variables: Contenido 1 Según la medición 1.1 Variables cualitativas 1.2 Variables… … Wikipedia Español
variable — In the physical sciences, variables are the characteristics of entities which are physically manipulated, such as the heat or volume of a substance. In the social sciences, the term refers to attributes which are fixed for each person or other… … Dictionary of sociology
interval variable — noun An ordinal variable with the additional property that the magnitudes of the differences between two values are meaningful. Syn: equal interval variable … Wiktionary
Latent variable model — A latent variable model is a statistical model that relates a set of variables (so called manifest variables ) to set of latent variables. It is assumed that 1) the responses on the indicators or manifest variables are the result of an individual … Wikipedia
Regression analysis — In statistics, regression analysis is a collective name for techniques for the modeling and analysis of numerical data consisting of values of a dependent variable (response variable) and of one or more independent variables (explanatory… … Wikipedia
ENSEMBLES (THÉORIE DES) - Théorie axiomatique — La théorie des ensembles fut créée par Georg Cantor à la fin du XIXe siècle. Cependant, le caractère extrêmement général et abstrait de la notion d’ensemble permit de produire des paradoxes rendant la théorie contradictoire (cf. théorie… … Encyclopédie Universelle
Level of measurement — The levels of measurement , or scales of measure are expressions that typically refer to the theory of scale types developed by the psychologist Stanley Smith Stevens. Stevens proposed his theory in a 1946 Science article titled On the theory of… … Wikipedia
