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README.md
XE_NDCG Ranking Example
Here is an example for LightGBM to train a ranking model with the XE_NDCG loss.
You must follow the installation instructions
for the following commands to work. The lightgbm binary must be built and available at the root of this project.
Training
Run the following command in this folder:
"../../lightgbm" config=train.conf
Prediction
You should finish training first.
Run the following command in this folder:
"../../lightgbm" config=predict.conf
Data Format
To learn more about the query format used in this example, check out the query data format.