{ "_id": "6a107278acfb0bcc41cabf7b", "Package": "ttTensor", "Type": "Package", "Title": "Tensor-Train Decomposition", "Version": "1.0.2", "Date": "2025-08-25", "Authors@R": "c(person(\"Koki\", \"Tsuyuzaki\", role = c(\"aut\", \"cre\"),\nemail = \"k.t.the-answer@hotmail.co.jp\"),\nperson(\"Manabu\", \"Ishii\", role = \"aut\"),\nperson(\"Itoshi\", \"Nikaido\", role = \"aut\"))", "Description": "Tensor-train is a compact representation for higher-order\ntensors. Some algorithms for performing tensor-train\ndecomposition are available such as TT-SVD, TT-WOPT, and\nTT-Cross. For the details of the algorithms, see I. V.\nOseledets (2011) , Yuan Longao, et al\n(2017) , I. V. Oseledets (2010)\n.", "License": "MIT + file LICENSE", "URL": "https://github.com/rikenbit/ttTensor", "Repository": "https://rikenbit.r-universe.dev", "Date/Publication": "2025-09-06 04:43:25 UTC", "RemoteUrl": "https://github.com/rikenbit/tttensor", "RemoteRef": "HEAD", "RemoteSha": "641368ddc60db9f7516addb48602336cb119f1f9", "NeedsCompilation": "no", "Packaged": { "Date": "2026-05-07 06:19:08 UTC", "User": "root" }, "Author": "Koki Tsuyuzaki [aut, cre],\nManabu Ishii [aut],\nItoshi Nikaido [aut]", "Maintainer": "Koki Tsuyuzaki ", "MD5sum": "2d45660a8ca6d5aa83d49c482b131af1", "_user": "rikenbit", "_type": "src", "_file": "ttTensor_1.0.2.tar.gz", "_fileid": "7b70c20050e9bf9206c480d1ded011b022b4d9f62bfb2cf0cc71eb1d08d7c1da", "_filesize": 129424, "_sha256": "7b70c20050e9bf9206c480d1ded011b022b4d9f62bfb2cf0cc71eb1d08d7c1da", "_created": "2026-05-07T06:19:08.000Z", "_published": "2026-05-22T15:12:56.571Z", "_distro": "noble", "_jobs": [ { "job": 77408043256, "time": 123, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "6848235220" }, { "job": 77408043427, "time": 174, "config": "linux-release-x86_64", "r": "4.6.0", "check": "OK", "artifact": "6848246704" }, { "job": 77408043223, "time": 98, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "6848248715" }, { "job": 77408043750, "time": 120, "config": "macos-release-arm64", "r": "4.6.0", "check": "OK", "artifact": "6848254763" }, { "job": 77408042133, "time": 165, "config": "source", "r": "4.6.0", "check": "OK", "artifact": "6848204550" }, { "job": 77408042585, "time": 93, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "7163918608" }, { "job": 77408043313, "time": 127, "config": "windows-devel", "r": "4.7.0", "check": "OK", "artifact": "6848235042" }, { "job": 77408043804, "time": 78, "config": "windows-oldrel", "r": "4.5.3", "check": "OK", "artifact": "6848223098" }, { "job": 77408043475, "time": 90, "config": "windows-release", "r": "4.6.0", "check": "OK", "artifact": "6848226088" } ], "_buildurl": "https://github.com/r-universe/rikenbit/actions/runs/25479284964", "_status": "success", "_host": "GitHub-Actions", "_upstream": "https://github.com/rikenbit/tttensor", "_commit": { "id": "641368ddc60db9f7516addb48602336cb119f1f9", "author": "koki ", "committer": "koki ", "message": "v1.0.2\n", "time": 1757133805 }, "_maintainer": { "name": "Koki Tsuyuzaki", "email": "k.t.the-answer@hotmail.co.jp", "login": "kokitsuyuzaki", "uuid": 2173745 }, "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 3.5.0", "role": "Depends" }, { "package": "methods", "role": "Imports" }, { "package": "rTensor", "role": "Imports" }, { "package": "PTAk", "role": "Imports" }, { "package": "Matrix", "role": "Imports" }, { "package": "testthat", "role": "Suggests" } ], "_owner": "rikenbit", "_selfowned": true, "_usedby": 0, "_updates": [ { "week": "2025-35", "n": 1 }, { "week": "2025-36", "n": 1 } ], "_tags": [], "_stars": 4, "_contributors": [ { "user": "kokitsuyuzaki", "count": 14, "uuid": 2173745 } ], "_userbio": { "uuid": 7158513, "type": "organization", "name": "RIKEN BiT", "description": "Omics AI Research Team, Advanced General Intelligence in Science Program (AGIS), TRIP, RIKEN (ex-Laboratory for Bioinformatics Research, RIKEN)" }, "_downloads": { "count": 528, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/ttTensor" }, "_devurl": "https://github.com/rikenbit/tttensor", "_searchresults": 6, "_rbuild": "4.6.0", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/NEWS.html", "extra/NEWS.txt", "extra/readme.html", "extra/readme.md", "extra/ttTensor.html", "manual.pdf" ], "_homeurl": "https://github.com/rikenbit/tttensor", "_realowner": "rikenbit", "_cranurl": true, "_releases": [ { "version": "0.99.2", "date": "2019-03-08" }, { "version": "1.0.1", "date": "2021-05-18" }, { "version": "1.0.2", "date": "2025-09-03" } ], "_exports": [ "as_sptensor", "dtensor", "maxvol", "skeleton.decomp", "TTCross", "TTSVD", "TTWOPT", "unfold" ], "_help": [ { "page": "ttTensor-package", "title": "Tensor-Train Decomposition", "topics": [ "ttTensor-package", "ttTensor" ] }, { "page": "as_sptensor", "title": "Convert to Simple Sparse Tensor", "topics": [ "as_sptensor" ] }, { "page": "dtensor", "title": "Dense Tensor Creation", "topics": [ "dtensor" ] }, { "page": "maxvol", "title": "maxvol algorithm", "topics": [ "maxvol" ] }, { "page": "skeleton.decomp", "title": "Skeleton Decomposition", "topics": [ "skeleton.decomp" ] }, { "page": "TTCross", "title": "Tensor-Train Decomposition by TRCross", "topics": [ "TTCross" ] }, { "page": "TTSVD", "title": "Tensor-Train Decomposition by TTSVD", "topics": [ "TTSVD" ] }, { "page": "TTWOPT", "title": "Tensor-Train Decomposition by Tensor-train Weighted OPTimization", "topics": [ "TTWOPT" ] }, { "page": "unfold", "title": "Unfold a Tensor", "topics": [ "unfold" ] } ], "_readme": "https://github.com/rikenbit/tttensor/raw/HEAD/README.md", "_rundeps": [ "lattice", "Matrix", "PTAk", "rTensor", "tensor" ], "_score": 3.6020599913279625, "_indexed": true, "_nocasepkg": "tttensor", "_universes": [ "rikenbit", "kokitsuyuzaki" ], "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "1.0.2", "date": "2026-05-07T06:21:09.000Z", "distro": "noble", "commit": "641368ddc60db9f7516addb48602336cb119f1f9", "fileid": "83af33861cde20195d22cbbf7ca275f3b53f910c25dfe9596b032c87b1ed66ea", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rikenbit/actions/runs/25479284964" }, { "r": "4.6.0", "os": "linux", "version": "1.0.2", "date": "2026-05-07T06:21:54.000Z", "distro": "noble", "commit": "641368ddc60db9f7516addb48602336cb119f1f9", "fileid": "a7365e07f8d23f276d7bf88789ed3d7f28c3430d95327b029bf148b8ae7a3c78", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rikenbit/actions/runs/25479284964" }, { "r": "4.5.3", "os": "mac", "version": "1.0.2", "date": "2026-05-07T06:22:12.000Z", "commit": "641368ddc60db9f7516addb48602336cb119f1f9", "fileid": "95702b6078b46e505267b9f6200d73b2ba99c01a42333a047202fe1ee79a530e", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rikenbit/actions/runs/25479284964" }, { "r": "4.6.0", "os": "mac", "version": "1.0.2", "date": "2026-05-07T06:22:28.000Z", "commit": "641368ddc60db9f7516addb48602336cb119f1f9", "fileid": "99b727d89a0545245d962d5338e826a645a4c61fb8a3eb5e588a3cb19d1d1477", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rikenbit/actions/runs/25479284964" }, { "r": "4.7.0", "os": "win", "version": "1.0.2", "date": "2026-05-07T06:21:02.000Z", "commit": "641368ddc60db9f7516addb48602336cb119f1f9", "fileid": "fc23928f6ded6575939a225f24087bd86b6416d1cc3997d062d5fc0f7f381e90", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rikenbit/actions/runs/25479284964" }, { "r": "4.5.3", "os": "win", "version": "1.0.2", "date": "2026-05-07T06:20:16.000Z", "commit": "641368ddc60db9f7516addb48602336cb119f1f9", "fileid": "093f5b800859ba857bd2e3542e9a6b0f3f170ed06e9b66ffb6eacfd9a9fd6638", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rikenbit/actions/runs/25479284964" }, { "r": "4.6.0", "os": "win", "version": "1.0.2", "date": "2026-05-07T06:20:28.000Z", "commit": "641368ddc60db9f7516addb48602336cb119f1f9", "fileid": "31595b68c83878f6c7c0b894d7b42809fdb0f875418ab59a40b2b69e36720a0d", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rikenbit/actions/runs/25479284964" }, { "r": "4.6.0", "os": "wasm", "version": "1.0.2", "date": "2026-05-22T15:12:40.000Z", "commit": "641368ddc60db9f7516addb48602336cb119f1f9", "fileid": "595059bd2d1989c4c0bc2d8d2ff66c223da8923a897b7724888ebadaee79e188", "status": "success", "buildurl": "https://github.com/r-universe/rikenbit/actions/runs/25479284964" } ] }