{"id":23915036,"url":"https://github.com/rickyxume/data_statistic_analysis","last_synced_at":"2026-06-15T12:31:48.127Z","repository":{"id":193880071,"uuid":"372359238","full_name":"rickyxume/Data_Statistic_Analysis","owner":"rickyxume","description":"2021数据统计与分析大赛全国一等奖方案","archived":false,"fork":false,"pushed_at":"2021-06-27T13:50:03.000Z","size":20721,"stargazers_count":3,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"main","last_synced_at":"2025-02-23T18:47:41.941Z","etag":null,"topics":["data-analysis","data-mining","data-science"],"latest_commit_sha":null,"homepage":"","language":"Jupyter Notebook","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/rickyxume.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null}},"created_at":"2021-05-31T02:18:37.000Z","updated_at":"2022-06-29T01:10:32.000Z","dependencies_parsed_at":null,"dependency_job_id":"dd30cce1-d24d-43ed-b8cc-cd191a11340f","html_url":"https://github.com/rickyxume/Data_Statistic_Analysis","commit_stats":null,"previous_names":["rickyxume/data_statistic_analysis"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/rickyxume/Data_Statistic_Analysis","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rickyxume%2FData_Statistic_Analysis","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rickyxume%2FData_Statistic_Analysis/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rickyxume%2FData_Statistic_Analysis/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rickyxume%2FData_Statistic_Analysis/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/rickyxume","download_url":"https://codeload.github.com/rickyxume/Data_Statistic_Analysis/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rickyxume%2FData_Statistic_Analysis/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":34363537,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-05-26T15:22:16.424Z","status":"online","status_checked_at":"2026-06-15T02:00:07.085Z","response_time":63,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"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":["data-analysis","data-mining","data-science"],"created_at":"2025-01-05T10:29:13.860Z","updated_at":"2026-06-15T12:31:48.090Z","avatar_url":"https://github.com/rickyxume.png","language":"Jupyter Notebook","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Data_Statistic_Analysis\n2021数据统计与分析大赛\n[比赛官网](https://www.saikr.com/dsa/2021)\n[overleaf在线论文作品](https://www.overleaf.com/project/60b20da8e3c0040ec53715da)\n\n基于K12平台的13w条用户订单和行为数据展开数据挖掘与可视化分析，经过数据清洗、数据可视化、特征工程、论文复现、编程建模和对比择优等系列步骤，在类别极度不平衡(3.4%)的情况下，最终使用加权交叉熵改进CatBoost模型实现用户购买预测，AUC达99.61%，并进行可解释性分析。任务二使用基于熵权法改进的RFM模型给用户分级判断用户价值，实现营销成本最小化，拉新留存效益最大化，在Overleaf协作撰写论文。最终本科组排前1%。\n\n方案后续整理上传\n\nTo be continued...\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Frickyxume%2Fdata_statistic_analysis","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Frickyxume%2Fdata_statistic_analysis","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Frickyxume%2Fdata_statistic_analysis/lists"}