{"id":32202370,"url":"https://github.com/tsuchiya-lab/dsdp","last_synced_at":"2026-02-19T23:01:11.721Z","repository":{"id":64249576,"uuid":"545966300","full_name":"tsuchiya-lab/dsdp","owner":"tsuchiya-lab","description":"R Package for Density Estimation with Semidefinite Programming","archived":false,"fork":false,"pushed_at":"2023-04-05T15:29:10.000Z","size":3439,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-10-22T04:04:55.098Z","etag":null,"topics":["density-estimation","r-package","semidefinite-programming"],"latest_commit_sha":null,"homepage":"https://tsuchiya-lab.github.io/dsdp/","language":"C","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"other","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/tsuchiya-lab.png","metadata":{"files":{"readme":"README.Rmd","changelog":"NEWS.md","contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2022-10-05T09:34:19.000Z","updated_at":"2022-11-11T01:23:58.000Z","dependencies_parsed_at":"2025-09-08T15:24:38.176Z","dependency_job_id":"02ed0f8e-298e-4c4d-819f-bd8c896d723e","html_url":"https://github.com/tsuchiya-lab/dsdp","commit_stats":null,"previous_names":[],"tags_count":2,"template":false,"template_full_name":null,"purl":"pkg:github/tsuchiya-lab/dsdp","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tsuchiya-lab%2Fdsdp","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tsuchiya-lab%2Fdsdp/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tsuchiya-lab%2Fdsdp/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tsuchiya-lab%2Fdsdp/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/tsuchiya-lab","download_url":"https://codeload.github.com/tsuchiya-lab/dsdp/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tsuchiya-lab%2Fdsdp/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":29636035,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-02-19T22:32:43.237Z","status":"ssl_error","status_checked_at":"2026-02-19T22:32:38.330Z","response_time":117,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["density-estimation","r-package","semidefinite-programming"],"created_at":"2025-10-22T04:01:36.843Z","updated_at":"2026-02-19T23:01:11.677Z","avatar_url":"https://github.com/tsuchiya-lab.png","language":"C","readme":"---\noutput: github_document\n---\n\n\u003c!-- README.md is generated from README.Rmd. Please edit that file --\u003e\n\n```{r, include = FALSE}\nknitr::opts_chunk$set(\n  collapse = TRUE,\n  comment = \"#\u003e\",\n  fig.path = \"man/figures/README-\",\n  out.width = \"100%\"\n)\n```\n\n# dsdp\n\n\u003c!-- badges: start --\u003e\n[![CRAN status](https://www.r-pkg.org/badges/version/dsdp)](https://CRAN.R-project.org/package=dsdp)\n[![R-CMD-check](https://github.com/tsuchiya-lab/dsdp/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/tsuchiya-lab/dsdp/actions/workflows/R-CMD-check.yaml)\n[![Lifecycle: experimental](https://img.shields.io/badge/lifecycle-experimental-orange.svg)](https://lifecycle.r-lib.org/articles/stages.html#experimental)\n\u003c!-- badges: end --\u003e\n\nThe goal of `dsdp` is to estimate probability density\nfunctions from a data set using a maximum likelihood method.\nThe models of density functions in use are familiar Gaussian \nor exponential distributions with polynomial correction terms.\nTo find an optimal model, we adopt a grid search for parameters of base functions\nand degrees of polynomials,\ntogether with semidefinite programming for coefficients of polynomials, and\nthen model selection is done by Akaike Information Criterion.\n\n## Installation\n\n```r\n## Install from CRAN\ninstall.packages(dsdp)\n```\n\nYou can install the development version of `dsdp` from this repository:\n```r\n## Install from github\ndevtools::install_github(\"tsuchiya-lab/dsdp\")\n```\nTo install from source codes, the user needs an appropriate compiler toolchain,\nfor example, rtools in Windows, to build `dsdp`, along with `devtools` package.\n\n## Usage\nPlease refer to the tutorial and the reference in \n[tsuchiya-lab.github.io/dsdp/](https://tsuchiya-lab.github.io/dsdp/).\n\nPdf version of articles are also available:\n[A Tutorial for dsdp](https://github.com/tsuchiya-lab/dsdp/blob/main/doc/Tutorial.pdf), \n[Problem Formulations for dsdp](https://github.com/tsuchiya-lab/dsdp/blob/main/doc/ProblemFormulations.pdf).\n\n## Acknowledgements\nThis research was supported in part with Grant-in-Aid for Scientific Research(B)\nJP18H03206, JP21H03398\nand\nGrant-in-Aid for Exploratory Research JP20K21792 \nfrom the Japan Society for the Promotion of Sciences.\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftsuchiya-lab%2Fdsdp","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftsuchiya-lab%2Fdsdp","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftsuchiya-lab%2Fdsdp/lists"}