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ankiR - Read and Analyze 'Anki' Flashcard Databases

Comprehensive toolkit for reading and analyzing 'Anki' flashcard collection databases. Provides functions to access notes, cards, decks, note types, and review logs with a tidy interface. Features extensive analytics including retention rates, learning curves, forgetting curve fitting, and review patterns. Supports 'FSRS' (Free Spaced Repetition Scheduler) analysis with stability, difficulty, retrievability metrics, parameter comparison, and workload predictions. Includes visualization functions, comparative analysis, time-based analytics, card quality assessment, sibling card analysis, interference detection, predictive features, session simulation, and an interactive Shiny dashboard. Academic/exam preparation tools for medical students and board exam preparation. Export capabilities include CSV, Org-mode, Markdown, SuperMemo, Mochi, Obsidian SR, and JSON formats with progress reports.

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ankispaced-repetition

5.26 score 6 stars 3 scripts 422 downloads

rfsrs - R Bindings for FSRS Spaced Repetition Algorithm

R bindings for the fsrs-rs Rust library implementing the Free Spaced Repetition Scheduler (FSRS) algorithm. FSRS is a modern spaced repetition algorithm based on the DSR (Difficulty, Stability, Retrievability) model of memory. Includes parameter optimization to train custom parameters from your review history, achieving better scheduling accuracy than default parameters or traditional algorithms like SM-2.

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rustcargo

4.13 score 3 stars 5 scripts

possum - Surgical Risk Prediction with the POSSUM Score Family

Computes the Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity (POSSUM), its Portsmouth modification (P-POSSUM), and the colorectal (CR-POSSUM), vascular (V-POSSUM) and ruptured aortic aneurysm (RAAA-POSSUM) variants, risk-adjustment systems used in surgical audit. Functions map physiological and operative variables to their component scores and return the predicted probabilities of morbidity and mortality from the published logistic equations. The coefficients follow Copeland and others (1991) <doi:10.1002/bjs.1800780327> for POSSUM, Prytherch and others (1998) <doi:10.1046/j.1365-2168.1998.00840.x> for P-POSSUM, Tekkis and others (2004) <doi:10.1002/bjs.4430> for the colorectal variant (CR-POSSUM), and Neary and others (2003) <doi:10.1002/bjs.4041> for the vascular variant (V-POSSUM). The package is intended for audit and research; it is not a validated medical device and must not be used as the sole basis for clinical decisions.

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3.97 score 1 stars 93 scripts 196 downloads

osscontribs - Commit and Contributor Statistics for Major Open Source Projects

Over 30 years of daily commit activity and contributor growth for 'FreeBSD', 'OpenBSD', 'NetBSD', and 'PostgreSQL'. Built from cloned git repositories for complete coverage -- not limited by API quotas. Includes daily commits, daily new committers, weekly aggregates, and 'Phabricator' sign-up data. Designed for time series analysis, growth modeling, and cross-project comparison. Contains no personal data.

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3.00 score 1 stars 185 downloads

freebsdcontribs - FreeBSD Contributor and Commit Statistics

Over 30 years of FreeBSD commit activity and contributor growth. Includes daily commit counts and new committer data extracted from the cloned git repository (1993-2026), plus Phabricator signup statistics (2013-2026). Contains no personal data -- only aggregated counts. Useful for time series analysis, growth modeling, and studying open source community dynamics.

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3.00 score 1 stars 254 downloads

fletcher - Compute Fletcher Checksums (16, 32, and 64 Bit)

Computes Fletcher's position-dependent checksum in 16-, 32-, and 64-bit widths. Fletcher's checksum, devised by John G. Fletcher, provides error-detection properties approaching a cyclic redundancy check at lower computational cost. Input is processed as little-endian words with the final partial word zero-padded, so results are reproducible across platforms.

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3.00 score 1 stars 5 scripts 234 downloads

srsbench - Evaluation Metrics for Spaced Repetition Schedulers

Calibration and discrimination metrics for spaced-repetition memory models. Provides the sample-weighted binned root mean squared error (RMSE(bins)) used to rank schedulers in the open spaced repetition benchmark, together with log loss, the area under the ROC curve, and calibration curves.

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2.70 score 1 stars 230 downloads

basil - Survival Prediction for Severe Limb Ischaemia (BASIL Model)

Predicts survival for patients with severe limb ischaemia using the prognostic model developed from the Bypass versus Angioplasty in Severe Ischaemia of the Leg (BASIL) trial (Bradbury and others (2010) <doi:10.1016/j.jvs.2010.01.077>). The model is an accelerated failure time Weibull regression. The package is intended for research and audit; it is not a substitute for clinical judgement and its predictions should not be used as the sole basis for clinical decisions.

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2.70 score 1 stars 6 scripts 288 downloads