The top line of this workflow works, but the bottom just returns a series of ?? and I don’t know why. Anu suggestions gratefully received. Links to data files
Difficult to give any statement without having a look at your workflow or entire data. Mind sharing it? If not in public, send it to info@atmedia-marketing.com
I don’t mind sharing it, but I think I resolve it by excluding columns with missing data (when the tables were unioned, they were part of a larger project so I integrated them into it- seems to be working now, though I am VERY new to data science so will let you know if that was too optimistic! Thanks!