TERMIUM Plus®

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LOGNORMAL [1 record]

Record 1 2012-06-12

English

Subject field(s)
  • Mathematics
  • Probability (Statistics)
CONT

A random variable X is said to have a logarithmic normal distribution (or lognormal distribution) if the logarithm of the variate is normally distributed.

OBS

"Gibrat(s) distribution" is sometimes defined as a form of the lognormal distribution. See KESTA, 1971, p. 62.

Key term(s)
  • lognormal
  • logarithmic normal law
  • Galton-McAllister law
  • Galton-MacAllister distribution
  • Galton-MacAllister law
  • Galton-McAlister law
  • Galton-McAlister distribution
  • Galton-MacAlister distribution
  • Galton-MacAlister law

French

Domaine(s)
  • Mathématiques
  • Probabilités (Statistique)
DEF

Loi aux termes de laquelle les effets entraînés par la variation d'un caractère sont proportionnels à l'intensité même de ce caractère ou à la grandeur du phénomène. [...] d'après la loi de Galton, c'est le logarithme de la variable qui est distribué normalement.

OBS

loi log-laplacienne; loi log-normale : termes normalisés par l'AFNOR.

Key term(s)
  • lognormale
  • loi logarithmiconormale
  • distribution logarithmiconormale
  • distribution log-laplacienne
  • distribution gausso-logarithmique
  • distribution de Galton-MacAlister
  • loi de Galton-McAlister
  • distribution de Galton-McAlister
  • loi de Galton-MacAllister
  • distribution de Galton-MacAllister
  • loi de Galton-McAllister
  • distribution de Galton-McAllister
  • répartition log-normale
  • distribution logarithmique normale

Spanish

Campo(s) temático(s)
  • Matemáticas
  • Probabilidad (Estadística)
DEF

Ley de distribución normal transformada en la que la variable es reemplazada por su logaritmo.

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