* Support CSV file in DMatrix We'd just need to expose the CSV parser in dmlc-core to the Python wrapper * Revert extra code; document existing CSV support CSV support is already there but undocumented * Add notice about categorical features
The documentation of xgboost is generated with recommonmark and sphinx. You can build it locally by typing "make html" in this folder. Checkout https://recommonmark.readthedocs.org for guide on how to write markdown with extensions used in this doc, such as math formulas and table of content.