Yu-Chen Lin

Add Normalized Discounted Cumulative Gain (nDCG) Score for Classification

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## 🚀 Feature Normalized Discounted Cumulative Gain (nDCG) score for classification. ### Motivation We are using torchmetrics nDCG score in multi-label classification. ([Reference](https://github.com/ASUS-AICS/LibMultiLabel/blob/master/libmultilabel/nn/metrics.py)) ```python3 from torchmetrics import RetrievalNormalizedDCG ``` At...

It takes about 8 minutes to conduct the testing. The successful messages are as follows.