XGBoost Plugin Example

This folder provides an example of xgboost plugin.

There are three steps you need to do to add a plugin to xgboost - Create your source .cc file, implement a new extension - In this example custom_obj.cc - Register this extension to xgboost via a registration macro - In this example XGBOOST_REGISTER_OBJECTIVE in this line - Create a plugin.mk on this folder

To add this plugin, add the following line to config.mk(template in make/config.mk). ```makefile

Add plugin by include the plugin in config

XGB_PLUGINS += plugin/plugin_a/plugin.mk ```

Then you can test this plugin by using objective=mylogistic parameter.