Sondre Sortland

Only partially resolved by https://github.com/equinor/ert/pull/3313

This is part of `ert.data`, and is still relevant

Should this be backported to version 4.1?

Could the naming of this PR be updated to be a bit more informative for the release notes?

I think this is very good! The only thing I think is missing is how we should do float indexes (with units). Maybe we could generalise the index concept such...

> Not sure that I understand what you mean @sondreso, ie. axis labels are strings currently, which could be floats of-course. What role would units play in here? Units play...

This could be a good candidate for the numerical records: http://xarray.pydata.org/en/stable/getting-started-guide/why-xarray.html

Do we mean the standard poly example here, or the new ert3 example?

Just wanted to be sure, because I think we should do both :joy:

This one relates to code in the `ert.data` package and is still relevant