as the readme file saying. <img width="640" alt="image" src="https://user-images.githubusercontent.com/45121088/202639804-6eeb47f7-3244-4be6-81e8-8b4c2469ce4e.png"> how can I specify a group of document-to-topic distribution files?
as the readme file saying.

how can I specify a group of document-to-topic distribution files?