{"blog_title":"Ken-Chaos\u2019s Random Notes on R","published":"2026-04-21 22:10:27","version":"1.0","type":"rich","author_url":"https://blog.hatena.ne.jp/chaos_kiyono/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fchaos-r.hatenadiary.jp%2Fentry%2F2026%2F04%2F21%2F221027\" title=\"LASSO Logistic Regression in R: Theory and Script Walkthrough - Ken-Chaos\u2019s Random Notes on R\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":[],"title":"LASSO Logistic Regression in R: Theory and Script Walkthrough","blog_url":"https://chaos-r.hatenadiary.jp/","width":"100%","url":"https://chaos-r.hatenadiary.jp/entry/2026/04/21/221027","image_url":null,"height":"190","author_name":"chaos_kiyono","provider_name":"Hatena Blog","description":"In this post, I explain how to use the R script provided at the end of this guide, which implements LASSO logistic regression. 1. Theoretical Background 1.1 Logistic Regression 1.2 The Regularization Problem 1.3 LASSO Penalty 1.4 Cross-Validation for Lambda Selection 1.5 Model Evaluation Metrics Rec\u2026","provider_url":"https://hatena.blog"}