WIP/DO NOT MERGE: Categorical improvements#7444

Closed

jankatins wants to merge 10 commits intopandas-dev:masterfrom

jankatins:categorical_improvements

Commits on Jul 9, 2014

ENH: upgrade categoricals to a first class pandas type
jreback
committed
Categorical: Thanks for Jan Schulz for much of the work on Categoricals

jankatins
authored and
jreback
committed
DOC: update v0.15.0 notes
jreback
committed
Categorical: .codes should be immutable

jankatins
authored and
jreback
committed
CLN: CategoricalDtype repr now yields category
jreback
committed
BUG: fix groupby with multiple non-compressed categoricals
jreback
committed
Categorical: minor doc cleanups

jankatins
authored and
jreback
committed
ENH: add a metaclass to CategoricalDtype to provide issubclass support (for select_dtypes)
jreback
committed
TST: io/pytables.py tests now raise NotImplementedError for dtype==category
jreback
committed

Commits on Jul 10, 2014

DOC: document the new category dtype in select_dtypes
jankatins
committed