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Scatter Plot and Additional Variables

机译:散点图和其他变量

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摘要

We often want to complete the interpretation of the usual graphs (x, y) with additional quantitative variables. The Prefmap method (vectorial model) proposes a representation of these additional variables but this representation has some drawbacks when the variables x and y are correlated. To solve this problem, we propose to substitute the coefficients of the linear regression by the coefficient of the PLS regression in the Prefmap method. The graph obtained is made operational thanks to contour lines of quality of representation and it becomes richer than the Prefmap one.
机译:我们经常想用其他定量变量来完成对普通图形(x,y)的解释。 Prefmap方法(矢量模型)提出了这些附加变量的表示形式,但是当变量x和y相关时,这种表示形式存在一些缺点。为了解决这个问题,我们建议在Prefmap方法中将线性回归的系数替换为PLS回归的系数。得益于表示质量的轮廓线,获得的图形变得可操作,并且它比Prefmap更加丰富。

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