learn r toolkit d kelly o'dayinstall setupmod 1 - setup: 1 module 1 installing setting up r...

D Kelly O'Day Install & Setup Mod 1 - Setup: 1

Learn R Toolkit

Module 1Installing & Setting Up R

Do

See & Hear Read

Learn

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Learn R Toolkit

Module 1 Setting Up RWhat We’ll Cover

• Installing R • Working Directory• Set R Shortcut to point to Working Directory• Using R

– Working with R Console– Running Simple R Script

• Getting Help• R packages


Learn R Toolkit

Installing R

• Latest version of R available at CRAN website:

http://www.r-project.org/



Learn R Toolkit

Installing R Click video box to see video on downloading & installing R


Learn R Toolkit

Installing R

• Latest version of R available at CRAN website:


• Video Demonstration - Downloading & Installing R

• Your Turn– Go to CRAN Site (http://www.r-project.org)– Select Mirror Site– Download Base

• When R is installed continue slides




Learn R Toolkit

Working Directory & Shortcut VideoClick video box to see video on Working Directory & R Shortcut


Learn R Toolkit

Working Directory• RGUI.exe is installed in C:\Program

Files\R\R-2.8.1\bin

• R Uses C:\Program Files\R\R-2.8.1\bin as default directory for all R script files

• Create Your Own Working Directory to save your R scripts

– Go to Windows Explorer– Create a new folder

• Pick a name you will remember

• Let’s use (C:\Learn_R) • Once you have your new

work folder, copy path from address window)


Learn R Toolkit

R Shortcut on Desktop• R Shortcut loads RGUI.exe program and

uses Start in directory for location of all R scripts

• To Configure Desktop R Shortcut to use your Working Directory for Start in: Right click Shortcut, select Properties

• Specify Start in path so that R looks in Working Directory you previously created (previous slide) for R Script Files– Paste you’re C:\Learn_R

• Now, when you use R shortcut to start R, your C:\Learn_R ory will be where you want it


Learn R Toolkit

R Windows

R’s Working Windows1. R Console2. Script Editor3. Graphic Window – shows graphic

results

• User Work is done in Editor• R Console Communicates with R• R Console & Graphics window show results

Video on next slide shows an R session


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Using RClick video box to see video on Using R


Learn R Toolkit

Your Turn to Work With R

• It’s Time for you to try R

• Your Assignment– Run R (Go to Desktop, double click your R shortcut)

– R Console• Try basic arithmetic in R Console• Try the Up arrow to recall previous commands• Clear R Console (right click in window, select Clear)

– Run R Script• Open Script (Scr_1_1_Simple_Chart_script.R)

• Run script (Control-A; Control-R)• Try to change color to “blue”

Scr_1_1_Simple_chart_script.r


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Getting Help

• R Console– help()– ?

• On Line Help: R Seek website (http://rseek.org)

• R Documentation & Tutorials– CRAN documentation (http://www.r-project.org/ select manuals)

Video on next slide shows how to get help in R and on-line

http://rseek.org/

http://rseek.org/

http://rseek.org/



Learn R Toolkit

Getting HelpClick video box to see video on R Help Resources


Learn R Toolkit

R Packages

• What are R Packages

• Installing R Packages on Your System

• Getting Information on R Packages

Video on next slide shows how to install & find out about packages


Learn R Toolkit

R packagesClick video box to see video on R Packages


Learn R Toolkit

Module 1 Wrap up

• Congratulations – you are well on your way to Learning R• So far you have:

– Installed R– Set up your working directory– Configured your R shortcut to Start in your working directory– Learned about the R Console window– Learned about the R Script Editor Window– Learned about the R Graphics Window– Ran an R script– Learned about R help– Learned about R packages

• When you are ready, go to Module 2: Moving Between Excel and R Worlds

Remember: you can replay the videos at any time

learn r toolkit d kelly o'dayinstall setupmod 1 - setup: 1 module 1 installing setting up r...

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