统计、数据分析、机器学习与编程笔记，也记录一些零散想法。https://blog.zhaozhinuo.com/https://blog.zhaozhinuo.com/blog/vibe-coding-%E8%87%AA%E4%B9%A0-log/https://blog.zhaozhinuo.com/blog/vibe-coding-%E8%87%AA%E4%B9%A0-log/Vibe Coding 7 天速成及实战计划Sun, 18 Jan 2026 17:09:00 GMThttps://blog.zhaozhinuo.com/blog/vibe-coding-7-%E5%A4%A9%E9%80%9F%E6%88%90%E5%8F%8A%E5%AE%9E%E6%88%98%E8%AE%A1%E5%88%92/https://blog.zhaozhinuo.com/blog/vibe-coding-7-%E5%A4%A9%E9%80%9F%E6%88%90%E5%8F%8A%E5%AE%9E%E6%88%98%E8%AE%A1%E5%88%92/mermaid gantt dateFormat YYYYMMDD title 7天 Vibe Coding + 实战反馈器 axisFormat %m/%dSun, 18 Jan 2026 16:10:47 GMThttps://blog.zhaozhinuo.com/blog/neo4j-%E5%9B%BE%E6%95%B0%E6%8D%AE%E7%A7%91%E5%AD%A6-graph-data-science-gds-%E4%BB%8B%E7%BB%8D/https://blog.zhaozhinuo.com/blog/neo4j-%E5%9B%BE%E6%95%B0%E6%8D%AE%E7%A7%91%E5%AD%A6-graph-data-science-gds-%E4%BB%8B%E7%BB%8D/官网课程: Graph Algorithms GraphAcademy (neo4j.com)Fri, 17 Jun 2022 18:52:00 GMThttps://blog.zhaozhinuo.com/blog/neo4j-%E5%9B%BE%E6%95%B0%E6%8D%AE%E7%A7%91%E5%AD%A6%E5%9F%BA%E7%A1%80-%E5%9B%BE%E7%AE%97%E6%B3%95/https://blog.zhaozhinuo.com/blog/neo4j-%E5%9B%BE%E6%95%B0%E6%8D%AE%E7%A7%91%E5%AD%A6%E5%9F%BA%E7%A1%80-%E5%9B%BE%E7%AE%97%E6%B3%95/官网课程: Neo4j Graph Data Science Fundamentals Free Neo4j Courses from GraphAcademy 官网文档: Graph algorithms Neo4j Graph Data ScienceFri, 17 Jun 2022 18:52:00 GMThttps://blog.zhaozhinuo.com/blog/typora-%E5%AF%BC%E5%87%BA%E8%AE%BE%E7%BD%AE%E4%BB%A5%E5%8F%8A%E8%AE%A9-typora-%E6%9B%B4-r-markdown-%E5%8F%8B%E5%A5%BD/https://blog.zhaozhinuo.com/blog/typora-%E5%AF%BC%E5%87%BA%E8%AE%BE%E7%BD%AE%E4%BB%A5%E5%8F%8A%E8%AE%A9-typora-%E6%9B%B4-r-markdown-%E5%8F%8B%E5%A5%BD/作为Typora重度用户，用它编辑博客，写R Markdown，几乎所有文字编辑场合。为了之后换电脑啥的别忘了我的导出咋设置的还是写一篇留一下。总结一下就是cmd命令，用的win11。不过更加推荐配合Quicker使用，使用导出命令把文件路径复制到剪切板 ，为这个导出设置一个快捷Tue, 07 Jun 2022 21:05:40 GMThttps://blog.zhaozhinuo.com/blog/a-simulation-study-of-kernel-density-estimation-and-histogram/https://blog.zhaozhinuo.com/blog/a-simulation-study-of-kernel-density-estimation-and-histogram/看来我擅长把给了半个月的作业三天弄完。虽然质量低迷还不严谨，但至少看起来还好看啊！我愿称R Markdown为最佳文档编辑格式（是的LaTeX还是不会）。简单高效，代码输出好排版，还有bookdown这种好东西。还有谁！学！都去学！（R Markdown Cookbook）Tue, 26 Apr 2022 05:21:00 GMThttps://blog.zhaozhinuo.com/blog/%E5%8D%8A%E6%AD%A3%E5%AE%9A%E8%A7%84%E5%88%92sdp%E4%BE%8B-%E6%9C%80%E5%B0%8F%E5%8C%96%E7%9F%A9%E9%98%B5%E8%8C%83%E6%95%B02-norm-of-a-matrix/https://blog.zhaozhinuo.com/blog/%E5%8D%8A%E6%AD%A3%E5%AE%9A%E8%A7%84%E5%88%92sdp%E4%BE%8B-%E6%9C%80%E5%B0%8F%E5%8C%96%E7%9F%A9%E9%98%B5%E8%8C%83%E6%95%B02-norm-of-a-matrix/正所谓我不能直接搜到答案就得让以后的小朋友能直接搜到答案。主要是不小心通了个宵，乱吃了好些很不健康还大概确乎过期了的东西，刚刚还喝了口过期牛奶（很绝），脑子不大清醒，不想搞作业，反正也不会还搞不完。正所谓作业写不完，习学不完的时候就爱干些其他的，比如写几句。Sat, 19 Mar 2022 01:11:00 GMThttps://blog.zhaozhinuo.com/blog/report-on-de-bin-riccardo-et-al-s-2016-paper-subsampling-versus-bootstrapping/https://blog.zhaozhinuo.com/blog/report-on-de-bin-riccardo-et-al-s-2016-paper-subsampling-versus-bootstrapping/Variable selection is important part in data analysis. The popular variable selection procedures such as backward elimination and stepwise rTue, 08 Mar 2022 19:30:00 GMThttps://blog.zhaozhinuo.com/blog/r-%E7%94%A8-expression-%E5%9C%A8%E5%9B%BE%E4%B8%AD%E5%B1%95%E7%A4%BA%E6%95%B0%E5%AD%A6%E5%85%AC%E5%BC%8F/https://blog.zhaozhinuo.com/blog/r-%E7%94%A8-expression-%E5%9C%A8%E5%9B%BE%E4%B8%AD%E5%B1%95%E7%A4%BA%E6%95%B0%E5%AD%A6%E5%85%AC%E5%BC%8F/R: Mathematical Annotation in R (mit.edu)Sun, 17 Oct 2021 03:19:00 GMThttps://blog.zhaozhinuo.com/blog/sql-%E6%95%B0%E6%8D%AE%E6%9F%A5%E8%AF%A2/https://blog.zhaozhinuo.com/blog/sql-%E6%95%B0%E6%8D%AE%E6%9F%A5%E8%AF%A2/SELECT [DISTINCT] 属性名列表 FROM 关系名; 从一个关系中选出指定的列.Sat, 24 Jul 2021 12:06:01 GMThttps://blog.zhaozhinuo.com/blog/sql-%E6%95%B0%E6%8D%AE%E6%9B%B4%E6%96%B0/https://blog.zhaozhinuo.com/blog/sql-%E6%95%B0%E6%8D%AE%E6%9B%B4%E6%96%B0/INSERT INTO 关系名 [(属性名1, ..., 属性名n)] VALUES (表达式1, ..., 表达式n);Sat, 24 Jul 2021 09:49:53 GMThttps://blog.zhaozhinuo.com/blog/sql-%E6%95%B0%E6%8D%AE%E5%AE%9A%E4%B9%89/https://blog.zhaozhinuo.com/blog/sql-%E6%95%B0%E6%8D%AE%E5%AE%9A%E4%B9%89/类型 SQL语句 参数 整型 INTEGER/INT, SMALLINT, TINYINT, MEDIUMINT, BIGINT 定点型 DECIMAL(p, s)/NUMERIC(p, s) 有效数字共$p$位, 小数点后$s$位 浮点型 FLOAT, DOUBLE 二进制数型Fri, 23 Jul 2021 16:32:42 GMThttps://blog.zhaozhinuo.com/blog/%E6%A6%82%E7%8E%87%E8%AE%BA%E5%9F%BA%E7%A1%80/https://blog.zhaozhinuo.com/blog/%E6%A6%82%E7%8E%87%E8%AE%BA%E5%9F%BA%E7%A1%80/1. 可在同等条件下重复; 2. 结果是可被事先预测的多种可能; 3. 试验前结果不确定.Thu, 27 May 2021 16:28:17 GMThttps://blog.zhaozhinuo.com/blog/functional-data-analysis-notes-3-functional-pca/https://blog.zhaozhinuo.com/blog/functional-data-analysis-notes-3-functional-pca/阅读材料：Ramsay, J.O., Silverman, B.W. (2005) Functional Data Analysis (2nd Edition) Section 8.18.6, 9.19.4.Sun, 25 Apr 2021 14:27:16 GMThttps://blog.zhaozhinuo.com/blog/functional-data-analysis-notes-2-smoothing-and-descriptive-statistics/https://blog.zhaozhinuo.com/blog/functional-data-analysis-notes-2-smoothing-and-descriptive-statistics/阅读材料：Ramsay, J.O., Silverman, B.W. (2005) Functional Data Analysis (2nd Edition) Section 4.1, 4.2, 4.3, 4.4, 4.5, 5.1, 5.2, 5.3, 5.4 and 5.5Mon, 22 Feb 2021 21:29:11 GMThttps://blog.zhaozhinuo.com/blog/functional-data-analysis-notes-1-introduction-and-basis-expansion/https://blog.zhaozhinuo.com/blog/functional-data-analysis-notes-1-introduction-and-basis-expansion/阅读材料：Ramsay, J.O., Silverman, B.W. (2005) Functional Data Analysis (2nd Edition) Section 1.1, 1.2, 1.3, 1.4, 1.6.1Sun, 21 Feb 2021 14:13:34 GMThttps://blog.zhaozhinuo.com/blog/%E7%BB%9F%E8%AE%A1%E5%AD%A6%E7%A7%91%E5%AD%A6%E6%9C%AF%E5%86%99%E4%BD%9C%E7%AC%94%E8%AE%B0/https://blog.zhaozhinuo.com/blog/%E7%BB%9F%E8%AE%A1%E5%AD%A6%E7%A7%91%E5%AD%A6%E6%9C%AF%E5%86%99%E4%BD%9C%E7%AC%94%E8%AE%B0/译自学校给的slides，我自己应该还能找出来，不知道能不能就瞎分享啊copyright啥的，仅供交流。这篇我太常看了，要写东西忘了的时候就翻出来看看，估计阅读量都是我自己刷的。Fri, 29 Jan 2021 20:23:15 GMThttps://blog.zhaozhinuo.com/blog/%E5%B8%B8%E7%94%A8%E9%A2%9C%E8%89%B2/https://blog.zhaozhinuo.com/blog/%E5%B8%B8%E7%94%A8%E9%A2%9C%E8%89%B2/Colors F75757 00A0E9 4ABDAC B6D0C9 8C95AA E3958B D1CEBD EFE5DC F8B4C1 F8B4C1 F8D0D1 F2F6F9 383838 3A4E55 A1C29E 2B708F 5B5B4E 1D4544 LiceBluFri, 29 Jan 2021 19:45:19 GMThttps://blog.zhaozhinuo.com/blog/r-shiny-notes/https://blog.zhaozhinuo.com/blog/r-shiny-notes/一个Shiny App在一个app.R里面，然后这个script在一个路径下（例：newdir/），运行这个app使用runApp(\"newdir/\")。参数有display.mode \"showcase\"Sun, 29 Nov 2020 17:31:20 GMThttps://blog.zhaozhinuo.com/blog/the-jackknife-and-bootstrap/https://blog.zhaozhinuo.com/blog/the-jackknife-and-bootstrap/3 Methods: the jackknife and bootstrapWed, 04 Nov 2020 22:11:25 GMThttps://blog.zhaozhinuo.com/blog/summary-of-analysis-for-factors-that-influence-imdb-ratings/https://blog.zhaozhinuo.com/blog/summary-of-analysis-for-factors-that-influence-imdb-ratings/films in IMDB film databaseTue, 03 Nov 2020 21:12:17 GMThttps://blog.zhaozhinuo.com/blog/r-function-notes/https://blog.zhaozhinuo.com/blog/r-function-notes/glimpse(data) 查看数据变量类型及前几个值Wed, 23 Sep 2020 22:16:04 GMThttps://blog.zhaozhinuo.com/blog/markdown-%E6%95%B0%E5%AD%A6%E5%85%AC%E5%BC%8F/https://blog.zhaozhinuo.com/blog/markdown-%E6%95%B0%E5%AD%A6%E5%85%AC%E5%BC%8F/代码结果 :: a+b $a+b$ x1^2 $x1^2$ x{22} $x{22}$ x^{(n)} $x^{(n)}$ ^x^ $^x^$ \\frac{x+y}{2} $\\frac{x+y}{2}$ \\frac{1}{1+\\frac{1}{2}} $\\frac{1}{1+\\fWed, 23 Sep 2020 22:14:34 GMThttps://blog.zhaozhinuo.com/blog/privacy-security-in-big-data-and-privacy-preserving-data-mining-ppdm/https://blog.zhaozhinuo.com/blog/privacy-security-in-big-data-and-privacy-preserving-data-mining-ppdm/Big data is such a hot and wellknown concept in recent years that it can often be heard or seen in everyday life. In this introduction, I woWed, 07 Aug 2019 17:31:00 GMT