There is an operator called Winsorize which is in the free Finance and Economics extension which basically does this. Actually it lets you cap values at the 75th percentile (or whatever percentile you select), and then you could use the standard Numerical to Binominal operator after that to convert that to a 0/1 flag based on the value.
Brian T. Lindon Ventures Data Science Consulting from Certified RapidMiner Experts
Answers
It's far fetched, but does this process answer to your need ?
Edit : You need RapidMiner 9.1 (beta) to execute this process.
Regards,
Lionel
Lindon Ventures
Data Science Consulting from Certified RapidMiner Experts