例句與造句

1. The normal distribution is a subclass of the elliptical distributions.
2. Hence the multivariate normal distribution is an example of the class of elliptical distributions.
3. Elliptical distributions are also used in robust statistics to evaluate proposed multivariate-statistical procedures.
4. In mathematical economics, elliptical distributions have been used to describe portfolios in mathematical finance.
5. There exist elliptical distributions that have undefined mean, such as the Cauchy distribution ( even in the univariate case ).
6. It's difficult to find elliptical distribution in a sentence. 用elliptical distribution造句挺難的
7. An elliptical distribution with a zero mean and identity-matrix variance is called a " spherical distribution ".
8. Because the variable " x " enters the density function quadratically, all elliptical distributions are symmetric about \ mu.
9. In contrast to classical multivariate analysis, " generalized " multivariate analysis refers to research on elliptical distributions without the restriction of normality.
10. In particular, his books have extended classical multivariate analysis beyond the multivariate normal distribution to a generalized multivariate analysis using more general " elliptical distributions ", which have elliptically contoured distributions.
11. However, only few financial distributions such as the multivariate normal distribution and the multivariate student-t distribution are special cases of elliptical distributions, for which the linear correlation measure can be meaningfully interpreted.
12. Named joint distributions that arise frequently in statistics include the multivariate normal distribution, the multivariate stable distribution, the multinomial distribution, the negative multinomial distribution, the multivariate hypergeometric distribution, and the elliptical distribution.
13. Some statistical methods that were originally motivated by the study of the normal distribution have good performance for general elliptical distributions ( with finite variance ), particularly for spherical distributions ( which are defined below ).
14. To develop his theory Hertz used his observation of elliptical Newton's rings formed upon placing a glass sphere upon a lens as the basis of assuming that the pressure exerted by the sphere follows an elliptical distribution.
15. In statistics, the normal distribution is used in " classical " multivariate analysis, while elliptical distributions are used in " generalized " multivariate analysis, for the study of symmetric distributions with tails that are light ( in comparison with the normal distribution ).
16. :: These are not skewed, but the elliptical distributions are a generalization of the normal distribution in which one parameter is the median ( which equals the mean if the mean exists ) and the other parameter is the standard deviation . talk ) 18 : 53, 17 September 2012 ( UTC)
更多例句：  下一頁