In the fitting methods of both the ordinary nonparametric regression models and the varying coefficient regression models, the error term of the models is usually assumed to be homoscedastic.
在上这些回归模型拟合法中,通常假定模型误是。
In the fitting methods of both the ordinary nonparametric regression models and the varying coefficient regression models, the error term of the models is usually assumed to be homoscedastic.
在上这些回归模型拟合法中,通常假定模型误是。
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