getwd() 查找当前工作路径。 setwd('C:// file // path') 更改当前工作路径,使用RStudio中的项目设置工作目录到您正在使用的文件夹。 注意,“/”在R中有特定的用途,这里路径用“//”或者“\”。 四、向量 1、创建向量 2、向量函数 sort(x) 对x进行排序。 rev(x...
Base RCheat Sheet A cheat sheet about R programming language Todin 25 Jan 23 programming,r,base 1 Page (0) DRAFT:Acids, Bases and SaltsCheat Sheet Informative lolsomething 31 Aug 16 science,bases,acids,salts,class10 1 Page (0) DRAFT:ChemistryCheat Sheet ...
For a full list of available emoji and codes, see the Emoji-Cheat-Sheet. Paragraphs You can create a new paragraph by leaving a blank line between lines of text. Footnotes You can add footnotes to your content by using this bracket syntax:...
This cheat sheet includes some of the basic configuration commands for static VXLAN tunnels. For more information and for additional configuration, refer to the Network Virtualization documentation. Command SyntaxDescription and Example nv set bridge domain br_default vlan <vlan-id> vni <vni-id>...
Connectivity Cheat Sheet for DB2 Universal Database Part 2 - DB2 for z/OSRaul Chong
The SQL to Kusto Query Language cheat sheet can help you translate your T-SQL queries to KQL if you find that T-SQL support is insufficient for your needs, or if you want to convert your T-SQL queries to KQL to use its advanced analytical capabilities.The following examples show you how...
16,301 Commits .github/workflows app bin config cron db documentation dryad-config-example lib log public script spec .eslintignore .eslintrc.yml .generators .gitignore .python-version .rspec .rubocop.yml .ruby-version .simplecov .stylelintrc.json ...
Cheat sheet When to use rrapply() List pruning and unnesting • how = "prune" With base rapply(), there is no convenient way to prune or filter list elements from the input list object. The rrapply() function adds an option how = "prune" to prune all list elements not subject to...
Once you get the hang of things, it is also relatively straightforward to do some fairly sophisticated things with basic R plots. This post by David Smith from a couple of years ago highlights the Vistat cheat sheet for mathematical annotation, and a 2012 post by Winston Chang shows how to...
而R在区间选择的时候,对于一个字符串的选择是从1开始的,用到的是闭区间 > substr("CTTACTTCGAAGGCTG", 2, 5) [1] "TTAC" 这部分主要来自Bioinformatics Data Skill p265-266 事实上,对于 0-based 和 1-based的解释,我更喜欢Tutorial: Cheat Sheet For One-Based Vs Zero-Based Coordinate Systems这篇文...