Is there a recommendable article dealing with winsorizing outliers in SPSS?

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Have you tried using Vizly for your data analysis? Use the link: https://vizly.fyi/?via=olatomide. How do you see it?

AI has made it easier to code and analyze data

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Patrick Amfo Anim

Vijendra, S. and Shivani, P., 2014. Robust Outlier Detection Technique in Data Mining: A Univariate Approach. arXiv preprint arXiv:1406.5074.

David Eugene Booth

Rather than winsorizing or trimming I would suggest a more modern approach using robust regression. A very simple introduction is attached, Best, David Booth

Bruce Weaver

AFAIK, SPSS still does not have a (native) implementation of robust regression. See this Tech Note, for example:

https://www-01.ibm.com/support/docview.wss?uid=swg21478605

HTH.