In this paper, we study the testing for varying dispersion in proper dispersion nonlinear models.
本文研究了恰当散度非线性模型变离差的检验问题。
Based on analysis of nonlinear models, mathematical physics meanings and mathematical characters of blown-ups are provided.
基于对非线性模型的分析，给出了溃变的数学物理学意义和数学特征。
Based on the analysis of nonlinear models, mathematical physics meanings and mathematical characters of blown-ups are provided.
基于非线性模型分析，给出了溃变的数学物理意义和数学特征。
It is necessary to make a reasonable covariance structure for longitudinal data so as to fit these data with linear or nonlinear models.
为了用线性或非线性模型拟合纵向数据，需要确定一个合理的协方差结构。
Linear models mainly include the factor analysis model and the trend surface model. And nonlinear models include BP neural network model.
其线性模型主要为因子分析模型和趋势面分析模型，非线性模型为BP神经网络模型。
As an example, the riding index of diesel locomotive type DF 9 is calculated and the results of linear and nonlinear models of the locomotive are compared.
本文以东风9内燃机车为例，分析了各种速度下的平稳性指数，并比较了线性模型和非线性模型的分析结果。
In this paper a variety of time series nonlinear models are introduced and the idea and modeling method of the threshold autoregression are discussed in detail.
本文概述了时序分析的非线性模型类，详细叙述了门槛自回归模型的建模思想和方法。
Adaptive controllers based on simplified linear and nonlinear models are studied by simulation and the results show that the latter has better property of convergence.
通过对基于简化线性和非线性模型的自适应控制器的仿真研究，结果表明后者具有更好的收敛性。
In (1 + 1) -dimensional nonlinear dynamical systems, it is believed that different kinds of localized excitations exist in different types of nonlinear models respectively.
在(1 + 1)维非线性动力学系统，人们发现不同的局域激发模式分别存在于不同的非线性系统。
Founded on change speciality of series of dam safety monitoring forecast, artificial neural networks and nonlinear models of time series based on genetic algorithms are applied.
根据大坝监测数据在时序上变化特征，应用了神经网络和基于遗传算法的时间序列的非线性预测模型。
For generalized linear and nonlinear models, it is still a conventional hypothesis that observed data should have nominal dispersion, otherwise statistical inference would be more difficult.
对于广义回归模型，人们也总是假设数据具有名义离差，否则，统计推断更加困难。
As in ordinary regression models, the problem of the heteroscedasticity test still exists in nonlinear models with correlated errors, but, the test for correlation also needs to be considered.
和普通的非线性回归模型一样，具有相关误差的非线性模型也存在异方差检验问题，但通常还要检验相关性。
As in ordinary regression models, the problem of the heteroscedasticity test still exists in nonlinear models with correlated errors, but, the test for correlation also needs to be considered.
和普通的非线性回归模型一样，具有相关误差的非线性模型也存在异方差检验问题，但通常还要检验相关性。
应用推荐