An introductory tour of RStudio and some of the tools that it makes available to R developers

1. Intro to RStudio
Houston R Users Group
Ed Goodwin, CFA

2. Why use an IDE?
Write
Code
Compile
Code
Run
Code
Debug
Code
Create
Docs
Share
Code
Version
Control
Integrated Development Environment (IDE)

3. Why use RStudio?
• built for R from the ground up (syntax highlighting, autocompletion, formatting)
• integrates R packages, documentation, debugging and viewing tools
• enforces best practices (documentation, version control, unit testing)
• community support

4. Versions of RStudio
Feature RStudio Desktop RStudio Server RStudio Server Pro
License AGPL AGPL RStudio License
Price Free/$995 Free $9,995/server/yr
Full IDE ✓ ✓ ✓
Remote Access ✓ ✓
Load Balancing ✓
Shiny Integration ✓ ✓ ✓
Group Admin Tools ✓
Security Tools ✓
Monitoring Tools ✓

5. Preview Version of
RStudio
• Customizable keybindings
• Pane zooming
• Multiple source windows
• Registering RStudio add-ins (RStudio ecosystem)
• Markdown improvements
https://www.rstudio.com/products/rstudio/download/preview/

6. RStudio IDE
Editor Panel
Console Panel
Workspace
Panel
Plots
Panel

7. Integrated Documentation

8. Help and Tutorials
https://www.rstudio.com/resources/webinars/

9. Keyboard Shortcuts

10. Viewer
• real time view of data
• filtering, sorting and search capability

11. Dygraphs
• R interface to dygraphs
JavaScript library
• Dygraphs package
independent of RStudio, but
supported in the Plot panel
• install.packages(“dygraphs”)
• supports zooming and panning
of time series
dygraph(pigs, main = "Monthly Pigs Slaughtered - Victoria") %>%
dyRangeSelector(dateWindow = c("1980-01-01", "1996-01-01"))

12. RStudio Projects
Initialize
• creates an .Rproj file to store settings
• creates a .Rproj.user directory
• Loads project into Rstudio into the toolbar
Project Options

13. Debugging
• Breakpoints (Shft+F9)
• R functions
• browser()
• debugonce()
• Environment Pane
• Traceback (Callstack)
• Console
• step into function (Shft+F4)
• finish function (Shft+F6)
• continue running (Shft+F5)
• stop debugging (Shft+F8)
Resources
• “Intro to Debugging in R
https://vimeo.com/99375765
• Advanced R chapter on Debugging
http://adv-r.had.co.nz/Exceptions-Debugging.html

14. Knitr and Markdown
http://rmarkdown.rstudio.com/

15. Version Control
https://support.rstudio.com/hc/en-us/articles/200532077-
Version-Control-with-Git-and-SVN