non - constant coefficient

• 变系数

non - constant coefficient的用法和样例：

例句

1. In theory, semiparametric functional coefficient quantile regression has less hypothesis and more extensive application in order to explain economic phenomena accurately.
   半参数变系数分位数回归模型，在理论上其假设前提条件限制比较少，在应用上具有很好的灵活性和很广的适用空间，能够更好地解释现实经济问题。
2. In this paper, we mainly discuss nonparametric and semiparametric functional coefficient quantile regressions, their estimation methods and applications.
   在本文中，主要讨论了非参数和半参数变系数分位数回归模型的估计及其应用。