Is There A Way To Generate A List Of Products With A Certain Feature Missing

General General Questions
1

I have 651 products on my site. I want to generate a list of all the products with a certain feature that has not been filled in. How can I do this?

E.G I want a list of products that have the Brand Feature empty.

2

Unfortunately there is no easy way to do it. But you can export products with product features and examine the generated file