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Retrieval Normalized DCG¶

Module Interface¶

torchmetrics.RetrievalNormalizedDCG[source]: alias of torchmetrics.retrieval._deprecated._RetrievalNormalizedDCG

Functional Interface¶

torchmetrics.functional.retrieval_normalized_dcg(preds, target, top_k=None)[source]

Wrapper for deprecated import.

>>> from torch import tensor
>>> preds = tensor([.1, .2, .3, 4, 70])
>>> target = tensor([10, 0, 0, 1, 5])
>>> _retrieval_normalized_dcg(preds, target)
tensor(0.6957)

Return type: Tensor