Adding a new UDF called Ndcg to support calculating Ndcg. #95
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A couple of different configuration options are available for calculating ndcg. You can specify positional values per range, use a standard logarithmic discounting function, or use a custom function.
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A couple of different configuration options are available for calculating ndcg. You can specify positional values per range, use a standard logarithmic discounting function, or use a custom function.