kurtosis

(redirected from Curtosis)
Also found in: Dictionary, Medical, Financial.
Related to Curtosis: skewness, leptokurtic

kurtosis

[kər′tō·səs]
(statistics)
The extent to which a frequency distribution is concentrated about the mean or peaked; it is sometimes defined as the ratio of the fourth moment of the distribution to the square of the second moment.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

kurtosis

see MEASURES OF DISPERSION.
Collins Dictionary of Sociology, 3rd ed. © HarperCollins Publishers 2000
References in periodicals archive ?
El valor estandarizado de la curtosis multivariada de Mardia de las 5 variables manifiestas fue 2,75, lo que indico muy ligera desviacion de la normalidad multivariada.
Es importante recordar que el metodo de estimacion considera la transformacion (3) que, ademas de eliminar las tasas de rendimiento con valores iguales a cero, tambien corrige el exceso de curtosis y asimetria de e",, proporcionando asi estimadores mas eficientes que los estimadores QML.