Can I create a heatmap or other frequency visual for all JIRA text (not just a specific field)?

[Joey Albin]

I've been tasked with mining our JIRA environment's text to help determine the topics and processes that are most in-demand and what we spend time on.  I've found tools for making word clouds and heat maps from specific fields, such as labels, but I'd like to mine all text (title, comments, labels, description, everything). We use a controlled vocabulary for labels, so metrics on this field aren't as useful for this purpose, as there are many things represented under a specific label.  Is there anyway to mine the entirety of text in JIRA?

[Jack Brickey]

You could export all fields to CSV and use some other tool. You can search the Marketplace but I don’t know of any such addon.