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Decision Tree
Contributor III updated Rapidminer studio to version 8, so I couldn't find decision tree operator and I lost all extensions that I installed in the previous version.
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zprekopcsak
RapidMiner Certified Expert, Member Posts: 47 
Guru
Hi @tayebasta,
As you can see from the header of RapidMiner Studio, you are running 7.6.3. For some reason, you have several 8.x extensions installed which are not compatible. Please go to Program Files and delete the RapidMiner folder. Then do a clean install of 8.0.1 and your problems should disappear.
Best, Zoltan
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Answers
Hi @tayebasta,
Are you sure that the update was complete and you are running RapidMiner 8.0? Does it say 8.0 on the splash screen?
Did you try the update from the Marketplace within Studio or did you just re-download and re-install RapidMiner?
Thanks, Zoltan
I installed Rapidminer studio 8.0.1 for windows 64. When start Rapidminer I get the following Tree operators:
CHAID
ID3
Decision Stump
Decision Tree (Multiway)
Decision Tree (Weight-based)
Random Tree
The Decision Tree operator is technically in an extension that comes pre-installed with Studio. Can you please attach your rapidminer-studio.log? Here is how to find it:
https://community.rapidminer.com/t5/RapidMiner-Studio-Knowledge-Base/Where-do-I-find-log-files-in-case-there-is-a-problem-with/ta-p/27
Thanks, Zoltan
Dear Zoltan,
The log file is completely empty. I am attaching a file showing that along with another issue.
Dear Mr. Zoltan,
Thank you for the solution you presented.
Everything is working fine.