Appendix A — Posit: R -> Rstudio

A.1 Opensource

https://posit.co/products/open-source/

Posit was founded with the mission to create open source software for data science, scientific research, and technical communication. We don’t just say this: it’s fundamentally baked into our corporate charter as a Public Benefit Corporation. Our imperative is not growth at all costs, but rather to build a company that will still be here fulfilling its mission in 100 years.

A.2 Benefits

  • Access the RStudio IDE locally
  • Syntax highlighting, code completion, and smart indentation
  • Execute R and Python code directly from the source editor
  • Quickly jump to function definitions
  • View content changes in real-time with the Visual Markdown Editor
  • Easily manage multiple working directories using projects
  • Integrated R help and documentation
  • Interactive debugger to diagnose and fix errors
  • Extensive package development tools

A.3 Installing R and RStudio

https://posit.co/download/rstudio-desktop/

Only two-steps are need it to have a powerful interactive system in your own computer.

  1. Install R from:

https://cran.rstudio.com/1

  1. Install RStudio:

https://posit.co/download/rstudio-desktop/2

A.4 Perhaps you prefer Rstudio-server

RStudio Server enables you to provide a browser-based interface to a version of R running on a remote Linux server, bringing the power and productivity of the RStudio IDE to server-based deployments of R.

https://posit.co/download/rstudio-server/

A.5 Or you prefer to work in the cloud?

Here you have two options

A.5.1 posit in the cloud.

https://posit.cloud/login

Posit Cloud lets you access Posit’s powerful set of data science tools right in your browser–no installation or complex configuration required.

Do, share, teach and learn data science using the RStudio IDE or Jupyter Notebooks, directly from your browser. You can share projects with your team, class, workshop or the world. Teach or learn data science in R or Python with students or colleagues.

There’s nothing to install or maintain and no dedicated hardware or annual purchase contract is required. Individual users, instructors and students only need a browser – we handle everything else.

A.5.2 TITAN.

Are you ORU faculty or staff?3 Then you may have access to a supercomputer to do your calculations!

If you are part of our institution you can access for free after creating an account. Please email with your full name, affiliation, research sponsor, email, and phone number.

After your account has been approved, access the interactive system here:

https://ood.orca.oru.edu

A.6 Instructions for RStudio in TITAN

  • Login into https://ood.orca.oru.edu
  • From Interactive Appss choose RStudio Server from the drop down menu.
    • In Cluster field choose: titan
    • In R version choose: 2022.07.2-576 with R4.2.14
    • In number of hours choose: 1 to 3. 5
    • In Node Type choose: Broadwell.
    • In Number of Cores choose: 26.
  • Press the blue Rectangle: Launch
  • After the requested has been approved, you will see a Blue rectangle: Connect to RStudio Server. Press to access it.
  • Now you are
  • Your files will be save in your home directory, which can be explored by using the panel on the right.

footnotes:

  1. RStudio requires R 3.3.0+. Choose a version of R that matches your computer’s operating system, download it, open it, and then follow the instructions.↩︎

  2. Choose a version that matches your computer’s operating system, download it, open it, and then follow the instructions.↩︎

  3. if you are student of the college of science and engineering at ORU you may have access too!↩︎

  4. this could change in the future.↩︎

  5. Allocating few hours ensure a good efficiency in the use of resources. You can access your files anytime by using ssh.↩︎

  6. unless you do need more.↩︎