* 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
* 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