Lack of units (an no way to get them into the dataframe) is increasingly problematic. We should really consider inheriting from EntityCollection for all these results classes and then change the example and include units.

[AdamsMP92]

Lack of units (an no way to get them into the dataframe) is increasingly problematic. We should really consider inheriting from EntityCollection for all these results classes and then change the example and include units.

(Not for this PR obviously)

Originally posted by @lang-m in #68 (comment)