I looove the dashboard comparing the solutions! Excellent idea!
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Hello hello! Did you know that you can change types from numbers to strings within the CSV Reader node? It’s in the tab “Transformation”, right by tab “Settings” (see image). You may find it useful in the future in case you want to use fewer nodes!
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Hi folks,
As always on Tuesdays (but this time earlier than the usual!), here’s our solution to challenge 23. We kept it simple, really sticking to a decision tree model for didactic reasons. We’ll be discussing model selection and parameter optimization later on in this series – but if you already know or feel the itch to do that, go for it!! 
We’re very happy with the variety of solutions here. See you tomorrow for another iteration of this challenge! Let’s keep discussing the best practices and principles related to data classification!
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