Add doc blurb about using fan_out for more summary statistics - #452

Add doc blurb about using fan_out for more summary statistics#452

afcollins wants to merge 1 commit into

cloud-bulldozer:maincloud-bulldozer/orion:mainfrom

afcollins:docs-fan-out-aggsafcollins/orion:docs-fan-out-aggsCopy head branch name to clipboard