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Tutorials : influential points

Who to detect?

In linear or logistic regression, Cook's distances are commonly used to detect influential values (when the absolute value is greater than 1).

What are the consequences?

The robustness of the model can be questioned. Indeed, if these individuals were not observed, the results would differ considerably.

How to manage?

You can check the data source for these individuals to ensure that there are no errors.

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Mail: contact@labcom-risca.com

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Le laboratoire SPHERE (methodS for Patients-centered outcomes and HEalth REsearch, INSERM UMR 1246, Université de NantesUniversité de Tours) et la société IDBC (groupe A2com) ont décidé de créer ensemble le Laboratoire Commun RISCA (Research in Informatics and Statistics for Cohort-based Analyses)