The hierarchical here mainly refers that the coefficients of the explanatory variables in the model is a specified multivariate normal distribution. In this multivariate normal distribution, the elements of its covariance matrix are assumed to follow inverse gamma distribution. 这里的分层主要是指模型中解释变量的系数会服从于一个指定的多元正态分布,而在这个多元正态分布中,其协方差矩阵中的元素假定服从于逆伽马(IG)分布。
In this paper, a transform factor which belongs to the inverse Gamma distribution function is introduced and the integrated inferring technology of reliability growth analysis is gained. 引入服从逆Gamma分布的折合因子,得到一种可靠性增长分析的整体推断技术。该技术是闭合的,具有递推分析形式。
Intensities of Inverse Compton Gamma - Rays in Galactic Medium Latitude 中等银纬区逆康普顿γ射线强度
This paper examines the characteristics of stock return distribution of China stock and international stock market using normal inverse gaussian model and variance gamma model. 本文运用无限可分纯粹跳跃的NIG模型和VG模型对沪深股市股指收益分布特征和国际上其它主要股市股指收益分布特征进行拟合分析。
The Inverse Compton Contribution to Medium-Latitude Galactic Diffuse Gamma Rays 逆康普顿散射对中等银纬区银河弥漫γ射线的贡献