select all the excluded cols, then delete?
I'm working with a script that's doing some big data analysis on dt's with 10k+ cols. some of my first passes for screening these features results in excluding ~90% of the cols for further deeper analysis. In the interest of tidying up and reducing the dt, I want to select all the excluded cols and delete them. Any tips on how to script this? In my script, I am generating a colsList that is the 'k...