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Hi.
I'm testing the library on different datasets and every time I execute a Recommender, the evaluation with normalized DCG returns 1.0. I tried with different datasets and recommenders, paying attention to the configuration, but I can't figure out where is the error. Is it possible that there is some bug in the class NormalizedDCGEvaluator? In the doc there are no examples about this evaluator and I don't know how to fix this.
The snippet of the code is the following:
Hi.
I'm testing the library on different datasets and every time I execute a Recommender, the evaluation with normalized DCG returns 1.0. I tried with different datasets and recommenders, paying attention to the configuration, but I can't figure out where is the error. Is it possible that there is some bug in the class NormalizedDCGEvaluator? In the doc there are no examples about this evaluator and I don't know how to fix this.
The snippet of the code is the following:
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