Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more
Not sure why I closed this. Vague memory that @jorisvandenbossche might have explained a compelling use case for it. If so, can I ask him to re-explain here? If not, this may be worthwhile.
Internally we only use this in a couple of places, so it would be easy to remove. It shows up in user_guide/advanced and in the 0.14.0 release notes.
Without it we could reduce some complexity in the indexing code.