The model consists of a finite number of regression classes, for each of them the model error may normal or arbitrary under certain conditions.

该模型由有限个回归类构成，每个类的模型误差可以是正态的，也可以是满足一定条件的任意分布。

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Complex and massive data usually appear as a mixture of multiple classes of structures and mixture model of regression classes is a description of such mixture.

复杂海量数据往往表现为多种结构特征的混合体，回归类混合模型就是对这种混合体的一个描述。

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