It should be possible to quickly see which level is mapped to which integer and what labels where used when it was created. This could be achieved in two steps:
Append creation data to factor as an attribute: levels is already an attribute.
Create a function that easily displays the relationship of underlying values, labels and levels.
It should be possible to quickly see which level is mapped to which integer and what labels where used when it was created. This could be achieved in two steps: