{ "_id": "6ad5e3d243d630dc48a408e7", "Package": "riemtan", "Title": "Riemannian Metrics for Symmetric Positive Definite Matrices", "Version": "0.2.5", "Authors@R": "c(\nperson(\ngiven = \"Nicolas\",\nfamily = \"Escobar\",\nrole = c(\"aut\", \"cre\"),\nemail = \"nescoba@iu.edu\",\ncomment = c(ORCID = \"0009-0006-0800-5692\")\n),\nperson(\ngiven = \"Jaroslaw\",\nfamily = \"Harezlak\",\nrole = \"ths\"\n))", "Description": "Implements various Riemannian metrics for symmetric\npositive definite matrices, including AIRM (Affine Invariant\nRiemannian Metric, ),\nLog-Euclidean (), Euclidean,\nLog-Cholesky (), and Bures-Wasserstein\nmetrics (). Provides\nfunctions for computing logarithmic and exponential maps,\nvectorization, and statistical operations on the manifold of\npositive definite matrices.", "License": "MIT + file LICENSE", "Encoding": "UTF-8", "LazyData": "true", "Roxygen": "list(markdown = TRUE)", "RoxygenNote": "7.3.3", "VignetteBuilder": "knitr", "URL": "https://nicoesve.github.io/riemtan/", "BugReports": "https://github.com/nicoesve/riemtan/issues", "Config/testthat/edition": "3", "Maintainer": "Nicolas Escobar ", "Config/pak/sysreqs": "cmake libssl-dev", "Repository": "https://nicoesve.r-universe.dev", "Date/Publication": "2026-08-20 15:45:41 UTC", "RemoteUrl": "https://github.com/nicoesve/riemtan", "RemoteRef": "HEAD", "RemoteSha": "f7738a6fb748eccbe2b1c40a3918f339ece8f9b1", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-10-19 09:24:00 UTC", "User": "root" }, "Author": "Nicolas Escobar [aut, cre] (ORCID:\n),\nJaroslaw Harezlak [ths]", "_user": "nicoesve", "_type": "src", "_file": "riemtan_0.2.5.tar.gz", "_fileid": "https://r2.ropensci.org/aa84f7adf5129145cfdc952b76040343433bcbab2d4201a7f7e50fdd73a3b363", "_filesize": 298039, "_sha256": "aa84f7adf5129145cfdc952b76040343433bcbab2d4201a7f7e50fdd73a3b363", "_expires": "2027-01-27T09:33:05.000Z", "_created": "2026-10-19T09:24:00.000Z", "_published": "2026-10-19T09:33:06.899Z", "_buildurl": "https://github.com/r-universe/nicoesve/actions/runs/39228941904", "_status": "success", "_host": "GitHub-Actions", "_jobs": [ { "job": 117985070008, "time": 219, "config": "linux-devel-arm64", "r": "4.7.0", "check": "OK", "artifact": "12175933677" }, { "job": 117985069906, "time": 270, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "12175244471" }, { "job": 117985069844, "time": 335, "config": "linux-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "12176673793" }, { "job": 117985069852, "time": 360, "config": "linux-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "12176658986" }, { "job": 117985069980, "time": 198, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "12176018613" }, { "job": 117985069985, "time": 438, "config": "macos-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "12178130086" }, { "job": 117985069797, "time": 210, "config": "macos-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "12176268721" }, { "job": 117985070161, "time": 401, "config": "macos-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "12175299869" }, { "job": 117982080917, "time": 436, "config": "source", "r": "4.6.1", "check": "OK", "artifact": "12176607671" }, { "job": 117985069749, "time": 301, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "12176424060" }, { "job": 117985069963, "time": 460, "config": "windows-devel-arm64", "r": "4.7.0", "check": "OK", "artifact": "12175999390" }, { "job": 117985069865, "time": 269, "config": "windows-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "12176763432" }, { "job": 117985069916, "time": 220, "config": "windows-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "12176623623" }, { "job": 117985069857, "time": 455, "config": "windows-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "12176598805" }, { "job": 117985069965, "time": 458, "config": "windows-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "12175689335" } ], "_upstream": "https://github.com/nicoesve/riemtan", "_commit": { "id": "f7738a6fb748eccbe2b1c40a3918f339ece8f9b1", "author": "Nicolas Escobar <50273150+nicoesve@users.noreply.github.com>", "committer": "Nicolas Escobar <50273150+nicoesve@users.noreply.github.com>", "message": "Add CI: R-CMD-check and test-coverage workflows\n\nThe CRAN-facing package had no regression gate of any kind -- no workflows, no\ntags, nothing between a push and a release. riemtan-dev has had CI since\n2025 and it is what caught the exp-map nearPD defect that is live in this\nversion; the package users actually install had nothing.\n\nPorted from riemtan-dev after those workflows were confirmed green across all\nfive R-CMD-check matrix cells and the coverage job (2026-08-17), rather than\ncopying a template. That includes the Codecov removal: CODECOV_TOKEN is not\nprovisioned on any of these repos, and fail_ci_if_error turned the resulting\n\"Token required\" into a hard failure on an otherwise entirely green suite.\nCoverage is reported in-job -- log, run summary table, and an artifact.\n\nVerified before enabling, so this does not land red: the local suite is\nFAIL 0, SKIP 0, PASS 383 on 0.2.5 as published. Note that this is the OLD\nsuite -- the tolerance tightening and the riemtan#1/#2 fixes live in\nriemtan-dev and reach here with the P4 release, so a green result here means\n\"no regression against what shipped\", not \"the numerics are sound\".\n\n.Rbuildignore gains ^\\.github$ (matching riemtan-dev) and a tar.gz rule, so the\nworkflow directory and any built tarball stay out of the package build.\n\nCo-Authored-By: Claude Opus 5 \n", "time": 1787240741 }, "_maintainer": { "name": "Nicolas Escobar", "email": "nescoba@iu.edu", "login": "nescoba", "description": "", "uuid": 59174222, "orcid": "0009-0006-0800-5692" }, "_distro": "resolute", "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 4.3.0", "role": "Depends" }, { "package": "Rcpp", "role": "LinkingTo" }, { "package": "RcppEigen", "role": "LinkingTo" }, { "package": "arrow", "role": "Imports" }, { "package": "future", "role": "Imports" }, { "package": "furrr", "role": "Imports" }, { "package": "jsonlite", "role": "Imports" }, { "package": "Matrix", "role": "Imports" }, { "package": "methods", "role": "Imports" }, { "package": "R6", "role": "Imports" }, { "package": "purrr", "role": "Imports" }, { "package": "MASS", "role": "Imports" }, { "package": "matrixStats", "role": "Imports" }, { "package": "Rcpp", "version": ">= 1.0.0", "role": "Imports" }, { "package": "progressr", "role": "Suggests" }, { "package": "testthat", "version": ">= 3.0.0", "role": "Suggests" }, { "package": "knitr", "role": "Suggests" }, { "package": "rmarkdown", "role": "Suggests" } ], "_owner": "nicoesve", "_selfowned": true, "_usedby": 0, "_updates": [ { "week": "2025-46", "n": 5 }, { "week": "2026-31", "n": 1 }, { "week": "2026-34", "n": 1 } ], "_tags": [], "_stars": 0, "_contributors": [ { "user": "nicoesve", "count": 58, "uuid": 50273150 }, { "user": "nescoba", "count": 33, "uuid": 59174222 } ], "_userbio": { "uuid": 50273150, "type": "user", "name": "Nicolas Escobar", "followers": 1, "description": "Statistics Ph.D. student at Indiana University. 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{ "page": "airm_unvec", "title": "Compute the Inverse Vectorization (AIRM)", "topics": [ "airm_unvec" ] }, { "page": "airm_vec", "title": "Compute the AIRM Vectorization of Tangent Space", "topics": [ "airm_vec" ] }, { "page": "bures_wasserstein_exp", "title": "Compute the Bures-Wasserstein Exponential", "topics": [ "bures_wasserstein_exp" ] }, { "page": "bures_wasserstein_log", "title": "Compute the Bures-Wasserstein Logarithm", "topics": [ "bures_wasserstein_log" ] }, { "page": "bures_wasserstein_unvec", "title": "Compute the Bures-Wasserstein Inverse Vectorization", "topics": [ "bures_wasserstein_unvec" ] }, { "page": "bures_wasserstein_vec", "title": "Compute the Bures-Wasserstein Vectorization", "topics": [ "bures_wasserstein_vec" ] }, { "page": "compute_frechet_mean", "title": "Compute the Frechet Mean", "topics": [ "compute_frechet_mean" ] }, { "page": "configure_progress", "title": "Configure Progress Handlers", "topics": [ "configure_progress" ] }, { "page": 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for riemtan", "topics": [ "parallel_config" ] }, { "page": "ParquetBackend", "title": "ParquetBackend Class", "topics": [ "ParquetBackend" ] }, { "page": "progress_utils", "title": "Progress Reporting Utilities for riemtan", "topics": [ "progress_utils" ] }, { "page": "relocate", "title": "Relocate Tangent Representations to a New Reference Point", "topics": [ "relocate" ] }, { "page": "reset_parallel_plan", "title": "Reset Parallel Plan to Sequential", "topics": [ "reset_parallel_plan" ] }, { "page": "rspdnorm", "title": "Generate Random Samples from a Riemannian Normal Distribution", "topics": [ "rspdnorm" ] }, { "page": "safe_logm", "title": "Wrapper for the matrix logarithm", "topics": [ "safe_logm" ] }, { "page": "set_parallel_plan", "title": "Set Parallel Processing Plan", "topics": [ "set_parallel_plan" ] }, { "page": "should_parallelize", "title": "Decide Whether to Use Parallel Processing", "topics": [ "should_parallelize" ] }, { "page": "spd_isometry_from_identity", "title": 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