数据行列转换方法汇总 proc transpose
预定义的汇总方法，例如min 、sum和max，是用更通用的reduce构建的。
The predefined summarization methods, such as min , sum , and Max , are built using the more general-purpose reduce method.
在本文中，我们提出了一个系统的数据汇总方法得出的MHS的设备在稳定状态下的聚合特性，所提供的服务。
In this paper, we propose a systematic data aggregation approach for deriving the aggregated characteristics of the service offered by a device of the MHS at steady state.
迄今为止，您已经实现的输出方法都以html格式显示汇总值。
The output methods you have implemented so far display the summary values in HTML format.
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