Retrieval Normalized Discounted Cumulative Gain (DCG)

Retrieval

Retrieval Normalized DCG

Module Interface

torchmetrics.RetrievalNormalizedDCG

alias of _RetrievalNormalizedDCG

Functional Interface

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

Wrapper for deprecated import.

>>> from torch import tensor
>>> preds = tensor([.1, .2, .3, 4, 70])
>>> target = tensor([10, 0, 0, 1, 5])
:rtype: :py:class:`~torch.Tensor`

>>> _retrieval_normalized_dcg(preds, target)
tensor(0.6957)