recometrics
Evaluation Metrics for Implicit-Feedback Recommender Systems
Description
Calculates evaluation metrics for implicit-feedback recommender systems that are based on low-rank matrix factorization models, given the fitted model matrices and data, thus allowing to compare models from a variety of libraries. Metrics include P@K (precision-at-k, for top-K recommendations), R@K (recall at k), AP@K (average precision at k), NDCG@K (normalized discounted cumulative gain at k), Hit@K (from which the 'Hit Rate' is calculated), RR@K (reciprocal rank at k, from which the 'MRR' or 'mean reciprocal rank' is calculated), ROC-AUC (area under the receiver-operating characteristic curve), and PR-AUC (area under the precision-recall curve). These are calculated on a per-user basis according to the ranking of items induced by the model, using efficient multi-threaded routines. Also provides functions for creating train-test splits for model fitting and evaluation.
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| Flavor | Status |
|---|---|
| r-devel-linux-x86_64-debian-clang | NOTE |
| r-devel-linux-x86_64-debian-gcc | NOTE |
| r-devel-linux-x86_64-fedora-clang | OK |
| r-devel-linux-x86_64-fedora-gcc | OK |
| r-devel-macos-arm64 | OK |
| r-devel-windows-x86_64 | OK |
| r-oldrel-macos-arm64 | OK |
| r-oldrel-macos-x86_64 | OK |
| r-oldrel-windows-x86_64 | OK |
| r-patched-linux-x86_64 | OK |
| r-release-linux-x86_64 | OK |
| r-release-macos-arm64 | OK |
| r-release-macos-x86_64 | OK |
| r-release-windows-x86_64 | OK |
Check details (2 non-OK)
CRAN incoming feasibility
Maintainer: ‘David Cortes <david.cortes.rivera@gmail.com>’
No Authors@R field in DESCRIPTION.
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Authors@R: person(given = "David",
family = "Cortes",
role = c("aut", "cre"),
email = "david.cortes.rivera@gmail.com")
as necessary.
CRAN incoming feasibility
Maintainer: ‘David Cortes <david.cortes.rivera@gmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: person(given = "David",
family = "Cortes",
role = c("aut", "cre"),
email = "david.cortes.rivera@gmail.com")
as necessary.
Additional Issues
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NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
CRAN incoming feasibility
Maintainer: ‘David Cortes <david.cortes.rivera@gmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: person(given = "David",
family = "Cortes",
role = c("aut", "cre"),
email = "david.cortes.rivera@gmail.com")
as necessary.
CRAN incoming feasibility
Maintainer: ‘David Cortes <david.cortes.rivera@gmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: person(given = "David",
family = "Cortes",
role = c("aut", "cre"),
email = "david.cortes.rivera@gmail.com")
as necessary.