The data deletion model and the mean drift model are equivalent in a general linear regression model.

为了诊断具有异方差的线性回归模型的异常点，建立了具有异方差的均值漂移模型和数据删除模型。

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There are two general approaches: either model the automatic deletion within the process or task model, or employ delayed or scheduled instance deletion mechanisms by using administrative actions.

这些方法分为两类：在过程或任务模型中包含自动删除设置，或者通过管理操作应用推迟的或调度的实例删除机制。

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It leaves the marking or unmarking to users’ consideration and asks users to confirm the deletion of model elements.

接着就会询问用户是否确认删除模型元素。

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