The algorithm ensures the matching effect in statistical sense, and improves the matching speed.

算法在统计意义上保证了匹配效果，且提高了匹配速度。

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The result of multiple correlation coefficient testing, F-testing and t-testing indicates that the model meets the hypothesis testing of linearity and its matching effect is preferable.

复相关系数、F检验、t检验结果表明，该模型满足线性与方差齐性的假设，拟合效果较好。

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In January, Target CEO Gregg Steinhafel sent a now-famous letter to suppliers demanding they help the retailer mitigate the showroom effect either by delivering more differentiated exclusive products or matching prices at online rivals.

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