Sandy Ryza

`standardizedResiduals`? `residuals`?

So the factor returns can be simulated with finer time granularity

RFC: AssetsDefinition.single

17

## Summary & Motivation This PR explores adding a static instantiator to `AssetsDefinition`, which makes it easy to construct an `AssetsDefinition` with a single asset with no associated materialization or...

## Summary & Motivation Adds structured metadata entries for freshness ## How I Tested These Changes

fix "an asset definitions" typos

1

## Summary & Motivation My b ## How I Tested These Changes