heteroscedastic怎么读，heteroscedastic什么意思，heteroscedastic短语和例句

1.The main contributions are as follows:1. Based on several nonparametric estimation theories, several estimation expressions of conditional heteroscedastic function are constructed.

主要研究结果如下：1。基于几种非参数估计理论，构造了非参数自回归模型条件方差函数的非参数估计表达式。

2.The main contributions are as follows:1. Based on several nonparametric estimation theories, several estimation expressions of conditional heteroscedastic function are constructed.

主要研究结果如下：1。基于几种非参数估计理论，构造了非参数自回归模型条件方差函数的非参数估计表达式。

3.This paper presents a single factor heteroscedastic model, deduce a method of this heteroscedastic analysis, and presents the estimation of mean and variance in this model.

本文提出了一种单因子异方差模型，导出这种异方差分析方法，并给出了模型中均值与方差的估计。

4.A method for heteroscedastic analysis is presented, which includes the homoscedastic and the heteroscedastic analysis of different means.

提出一种异方差分析方法，包括异均值方差分析和异均值异方差分析。

5.The model which has such kind of property is referred to as heteroscedastic regression model.

扰动项具有异方差性的模型称为异方差模型。