A scatter plot diagram shows a variety of risks to improvement.

显示改进带来的各种风险的散布图。

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This model can be as easy as one input variable and one output variable (called a Scatter diagram in Excel, or an XYDiagram in OpenOffice.org).

此模型可以简单到只有一个输入变量和一个输出变量（在Excel 中称为Scatter 图形，或 OpenOffice.org 内的XYDiagram）。

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The piecewise polynomial regression model was established based on analyzing the scatter diagram of the speed change with the install distance.

最后，进行了回归结果分析，分析结果表明分段多项式回归模型是正确有效的。

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The piecewise polynomial regression model was established based on analyzing the scatter diagram of the speed change with the install distance.

最后，进行了回归结果分析，分析结果表明分段多项式回归模型是正确有效的。

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