How can I compare trending factors across sets of tags?

Screenshot: Trending factor overview

Which tags are actively trending?  Our site provides overviews of tags with positive trending factors in several categories:

Based on how trending factor is calculated, a tag with a positive trending factor is both highly topical and  recently emerging.  

As illustrated below, you can use 'Filter by term' options (see FAQs explaining filters) to compare and contrast trending factors across sets of tags.

FAQ categories:

Comparing data: copyright image, used under license from