{"id":42503573,"url":"https://github.com/lasy/alto","last_synced_at":"2026-01-28T13:36:38.655Z","repository":{"id":40477701,"uuid":"372634181","full_name":"lasy/alto","owner":"lasy","description":"'alto' is an R package that aligns topics from different LDA models, computes metrics for quantifying the goodness of alignment, and provides visualization functions to explore the alignment and robustness of topics across environments or LDA hyper-parameters.","archived":false,"fork":false,"pushed_at":"2024-06-21T13:08:57.000Z","size":46195,"stargazers_count":14,"open_issues_count":1,"forks_count":3,"subscribers_count":3,"default_branch":"master","last_synced_at":"2024-06-22T05:46:00.089Z","etag":null,"topics":["r-package","topic-model"],"latest_commit_sha":null,"homepage":"","language":"R","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/lasy.png","metadata":{"files":{"readme":"README.Rmd","changelog":null,"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}},"created_at":"2021-05-31T21:37:14.000Z","updated_at":"2024-06-22T05:46:04.538Z","dependencies_parsed_at":"2024-06-22T05:46:03.363Z","dependency_job_id":"06d1687a-111c-419f-a632-3d35a5a507ed","html_url":"https://github.com/lasy/alto","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/lasy/alto","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lasy%2Falto","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lasy%2Falto/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lasy%2Falto/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lasy%2Falto/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/lasy","download_url":"https://codeload.github.com/lasy/alto/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lasy%2Falto/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":28846053,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-01-28T13:02:32.985Z","status":"ssl_error","status_checked_at":"2026-01-28T13:02:04.945Z","response_time":57,"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":["r-package","topic-model"],"created_at":"2026-01-28T13:36:37.998Z","updated_at":"2026-01-28T13:36:38.647Z","avatar_url":"https://github.com/lasy.png","language":"R","funding_links":[],"categories":[],"sub_categories":[],"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/\",\n  out.width = \"100%\"\n)\n```\n\n# alto\n\n\u003c!-- badges: start --\u003e\n\u003c!-- badges: end --\u003e\n\n[`alto`](https://lasy.github.io/alto/index.html) for aligning topics across a collection of LDA models. It provides functions to support the most common tasks in the analysis workflow,\n\n* `run_lda_models()` fits a collection of LDA models across resolution levels\n* `align_topics()` aligns topics across a collection of LDA models\n* `topics()` provides metrics of alignment quality\n* `plot()` shows the flow of alignment weight across resolution levels\n* `plot_beta()` shows the topics associated with each underlying model\n\nAlignment can be used for (multiresolution) exploratory analysis. \nBy highlighting topics that are robust across choices of K, it can also support evaluation of LDA models.\n\n\u003cfigure\u003e\n  \u003cimg src=\"man/figures/README-alignment-viz-2.png\" width=\"75%\"/\u003e\n  \u003cfigcaption\u003eThe figure above shows an example alignment between topic models. See the vignette \"Using `alto` on vaginal microbiome data\" to reproduce this figure.\u003c/figcaption\u003e\n\u003c/figure\u003e\n\n\n## Installation\n\n\u003c!-- You can install the released version of alto from [CRAN](https://CRAN.R-project.org) with: --\u003e\n\n\u003c!-- ``` r --\u003e\n\u003c!-- install.packages(\"alto\") --\u003e\n\u003c!-- ``` --\u003e\n\n\u003c!-- And  --\u003e\n\nYou can install the development version from [GitHub](https://github.com/) with:\n\n``` r\n# install.packages(\"devtools\")\ndevtools::install_github(\"lasy/alto\")\n```\n\n## Help\n\nWe welcome questions and comments about the package either through\n[github](https://github.com/lasy/alto/issues) or email.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flasy%2Falto","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flasy%2Falto","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flasy%2Falto/lists"}