当前时间： 2026-07-25 02:13:37
分类：办公文件
评论(0)
R语言/R Project安装教程【安装包获取】
官网：https://cran.r-project.org/国内镜像网：https://mirrors.tuna.tsinghua.edu.cn/CRAN/第一个红框是最新版本，第二个红框是历史版本
1、运行安装包，双击
2、选择语言，点击确定
3、点击“下一步”
4、选择安装位置，点击“下一步”
5、点击下一步
6、点击下一步
7、点击下一步
8、选择创建桌面快捷方式，点击下一步
9、等待安装
10、点击结束
11、双击桌面图标
12、安装完成
基本
文件
流程
错误
SQL
调试
- 请求信息 : 2026-08-10 11:00:42 HTTP/1.1 GET : https://www.yeyulingfeng.com/a/723994.html
- 运行时间 : 0.213575s [ 吞吐率：4.68req/s ] 内存消耗：4,768.02kb 文件加载：145
- 缓存信息 : 0 reads,0 writes
- 会话信息 : SESSION_ID=f02b2f6794fc55b9221ff7b2712bd289
- CONNECT:[ UseTime:0.000808s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
- SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001589s ]
- SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000692s ]
- SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000727s ]
- SHOW FULL COLUMNS FROM `set` [ RunTime:0.001324s ]
- SELECT * FROM `set` [ RunTime:0.000510s ]
- SHOW FULL COLUMNS FROM `article` [ RunTime:0.001644s ]
- SELECT * FROM `article` WHERE `id` = 723994 LIMIT 1 [ RunTime:0.000983s ]
- UPDATE `article` SET `lasttime` = 1786330842 WHERE `id` = 723994 [ RunTime:0.020337s ]
- SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000630s ]
- SELECT * FROM `article` WHERE `id` < 723994 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001027s ]
- SELECT * FROM `article` WHERE `id` > 723994 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001218s ]
- SELECT * FROM `article` WHERE `id` < 723994 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003836s ]
- SELECT * FROM `article` WHERE `id` < 723994 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004050s ]
- SELECT * FROM `article` WHERE `id` < 723994 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001850s ]
0.217825s
夜雨聆风
