k ka kc ke kg kh ki kk kl km kn ko kp kq kr ks kt ku kv kw ky kz

Перевод: kurtosis speek kurtosis

эксцесс


Тезаурус:

  1. Not widely used, although frequently calculated, the kurtosis is related both to the dispersion and the normality of the distribution.
  2. The fourth moment yields a value for kurtosis raised to the fourth power:
  3. The measure of kurtosis, which is a ratio of the spreads of the tails and centre of the distribution (and is therefore also dimensionless) is given by the expression:
  4. kurtosis or degree of concentration of the grains to the central size.
  5. This stresses that the phi system is one of dimensionless numbers and so may be correctly used for statistical analysis to derive factors such as the standard deviation, skewness and kurtosis of grain size distributions (McManus, 1963; Krumbein, 1964).
  6. A normal distribution has a kurtosis measure of 3, and a leptokurtic distribution occurs when the kurtosis is well over 3.
  7. (d) CONCENTRATION OR PEAKEDNESS OF THE DISTRIBUTION KURTOSIS
  8. (Statistical terms such as variance, skewness and kurtosis, though easily defined in terms of the above molecular weight averages, are not usually employed in polymer science.)
  9. In few studies have the higher moments been used to advantage, the principal exception being that of Sly (1977, 1978) who used the skewness - kurtosis interrelationships to recognize differing environmental energy levels in deposits of the Great Lakes (Fig. 3.1()).

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