How to use NursDetFactor and TranDetFactor. They seem like list of options filled by the responders and all are clubbed in single column. Can we get some meaningful information out of these columns?. What are the applicable feature engineering methods to deal with this kind of data ?
Read the discussion section and you will get some ideas. You can split, count, reorder, drop... endless options.
I think @yanteixeira after the competition ends you should write an article about this challenge, and document all your thought process. I am pretty sure alot of us can learn from youuu.