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add auprc to metric collectio… #3520

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add auprc to metric collectio… #3520

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3 changes: 2 additions & 1 deletion torchrec/metrics/auprc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -66,8 +66,9 @@ def _compute_auprc_helper(
recall = torch.cat([recall, recall.new_zeros(1)])

# If recalls are NaNs, set NaNs to 1.0s.
# 1.0 / 0.0 is inf and 0.0 / 0.0 is NaN. We need to fix both
if torch.isnan(recall[0]):
recall = torch.nan_to_num(recall, 1.0)
recall = torch.nan_to_num(recall, 1.0, 1.0, 0.0)

auprc = _riemann_integral(recall, precision)
return auprc
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