XGBoost Plugin Example

This folder provides an example of xgboost plugin.

There are three steps you need to to do to add plugin to xgboost

Create your source .cc file, implement a new extension
- In this example custom_obj.cc
Register this extension to xgboost via registration macr
- 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).

# 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.