Create a dataframe with two titles

[Tamas_Papp]

It looks like you want metadata:

How to add metadata info to a DataFrame?

Storing both data and metadata in the same object or container is a very common approach in many research fields, and it has proven to be very successful in (for instance) astronomy where a few standards had been officialized and are now commonly used (e.g. FITS and VOTable). In Julia a common way to represent tabular data is by means of a DataFrame, and I (as an astronomer) would like to associate metadata informations to such object, both to the table as a whole and to individual columns. Bu…

TL;DR: AFAIK there are several experiments, but no solution one can call standard at the moment.