RStudio Introduction		
		0	RStudio is an integrated development environment (IDE) for R	
	Standards of programming in R	0	Keyboard Shortcuts using - Ctrl/Alt (Win, later we use Win as an example), Cmd/Option (macOS), for details see, e.g.	
	Getting to Know RStudio		Rstudio-cheatsheet	
	J	0	After starting RStudio create new RSkript a File -> New File -> R Script (Ctrl+Shift+N)	
				
	Veronika Bendová1, Stanislav Katina1 2	0	Set R Studio appearance • Tools —> Global Options —> Appearance	
	11nstitute of Mathematics and Statistics, Masaryk University 2Honorary Research Fellow, The University of Glasgow	0	Restart R Session (all manually loaded packages will be unloaded) • Session -> Restart R (Ctrl+Shift+F10)	
	March 5, 2018	0	Clear Workspace (remove all loaded datasets and defined objects)	
		0	• Session —> Clear Workspace Clear Console (delete all commands and outputs displayed) » Ctrl + L	
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RStudio Introduction		RStudio Environment		
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Veronika Bendová, Stanislav Katina
Standards ot programming in r
R Studio environment is divided into four sections: 0 Code editor (top left)
» Environment for creating your own code
» Click on button Run or press Ctrl + Enter for running (a part of) the code
0 Workspace (top right)
• Environment - list of loaded datasets, defined objects (variables) and defined functions
j History - list of all commands, which were run in the past 0 Console (bottom left)
• Environment, where executed commands and their outputs are displayed
9 Plots (bottom right)
• Files - provides a list of files in selected folder o Plots - shows a preview of plotted graphs
• Packages - allows installing new packages and displays a list of installed packages, which can also be loaded and unloaded from here
• Help - interactive help environment
Veronika Bendová, Stanislav Katina
Standards ot programming in r
RStudio Project
Useful Links
Note: The above mentioned sections could be rearranged and also their number could be changed from 2 to 4 (based on your preferences).
(j) Create new R project
j File —> New File a File —> New File j File —> New File
R Script (R) R Sweave (pdf)
R Markdown (HTML, Word, pdf) 9 Set the folder, where the R Script is located, as working directory
j Session —> Set Working Directory —> To Source File Location 0 A good project layout
» Integrity of data
• Portability of the project
j Easier to pick the project back up after a break
0 Directory layout (example) o Folder "Project-name"
• Subfolders "R.Scripts", "Data", "Docs", "Figures", "Outputs"
Standards of programming in r
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9 RStudio project
https://support.rstudio.com/hc/en-us/articles/200526207-Using-Projects
0 Designing RStudio projects
https://nicercode.github.io/blog/2013-04-05-projects/
(5) Paper about designing projects
http://journals.plos.org/ploscompbiol/article?id=10.1371 /journal.pcbi. 1000424
(4) A meaningful structure for RStudio project https://www.inwt-
statistics.com/read-blog/a-meaningful-file-structure-for-r-projects.html
Veronika Bendová, Stanislav Katina
Veronika Bendová, Stanislav Katina
Standards of programming in r