Cook’s distance


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Hi everyone. Is there a way to obtain values of Cook’s distance in MLR? I am trying to identify influential observations by use of studentized residuals and Cook’s D statistics. This was kind of  advised procedure for a specific problem I am currently dealing with.

Thanks in advance.

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  1. External Admin

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    Cook’s Distance is available if you perform MLR in Design Expert, the DOE software that comes with Unscrambler.

    If you build a PLS model in Unscrambler on the same data, using the full rank model (include the maximum number of components), studentized residuals are available for many Y-residual plots. For example, if you right-click on any of the PLS plots and select PLS->Residuals->General->Y-residuals vs Y-predicted. Use the toolbar button shown in the attachment to switch to studentized residuals.


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