Improve precision and recall on XGBoost

[jmogarrio]

• [x] #87

[jmogarrio]

This is broad as written but Ben is working on the more specific #87, assigning this to him for now and we'll decide if there's additional sub-tasks.

[benwulfe]

Improve DdfCommon Blur radius optimization Converge Local and Hosted runtime sources Obtain paid tier for colabs (as an optional method)