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Cook's D ODS graph in PROC REG.

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Cook's D ODS graph in PROC REG.

Hi! What is the reference line that is graphed in the Cook's D plot in the ODS Graphics for PROC REG? Thanks!
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Re: Cook's D ODS graph in PROC REG.

Hi CJ.
As you can see in the GTL definition of the graphic (in SASHELP.TMPLMST template item store, folder STATGRAPH and template COOKSDPLOT, the value is 4 / number of observations in dataset.
[pre]
lineparm yintercept=eval (4/NOBS)
[/pre]
Cheers
Olivier
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