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R Packaged by IOanyt Innovations - Rocky Linux 9

Updated: Feb 14, 2023


OVERVIEW


R provides a wide variety of statistical (linear and nonlinear modeling, classical statistical tests, time-series analysis, classification, clustering, …) and graphical techniques, and is highly extensible. The S language is often the vehicle of choice for research in statistical methodology, and R provides an Open Source route to participation in that activity.

One of R’s strengths is the ease with which well-designed publication-quality plots can be produced, including mathematical symbols and formulae where needed. Great care has been taken over the defaults for the minor design choices in graphics, but the user retains full control.


Why Use R?

  • It is a great resource for data analysis, data visualization, data science, and machine learning

  • It provides many statistical techniques (such as statistical tests, classification, clustering and data reduction)

  • It is easy to draw graphs in R, like pie charts, histograms, box plot, scatter plot, etc++

  • It works on different platforms (Windows, Mac, Linux)

  • It is open-source and free

  • It has a large community support

  • It has many packages (libraries of functions) that can be used to solve different problems

GET STARTED


To verify the installation, follow the below instructions


Step 1. Connect to SSH:

  1. Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/.

  2. In the navigation pane, choose Instances.

  3. Select the instance and choose Connect.

  4. Choose SSH Client

  5. Copy the SSH command and paste it into the terminal.

ssh rocky@publicIP -i [Path of key pair file]

If it shows an access denied message run the following command, then run the above command again to connect via ssh.

chmod 400 [Path of key pair file]

Once launched in the Amazon EC2 Service, please connect to the instance via an SSH client using the ec2-user with the key pair associated at launch. Once connected as the ec2-user user, you will be able to sudo to the root user


Step 2. Verify the installation

Follow the steps to verify the R installation


1. Login with ssh


2. Type the below command to check the version

R --version

You will see the responses as shown below.



How to use R language in the terminal:


1. After connecting with ssh enter the following command in order to open an empty file by the name given below:

sudo vi sampleScript.R    

2. Now add the following lines to your file:

 sampleVariable <- "Hello R language working properly!"
 print(sampleVariable)

3. Run the following command in order to run the script:

 Rscript sampleScript.R

4. If you get the "Hello R language working properly!" in output then your R is working properly.



To monitor and assess application functions:-

a. Navigate to your Amazon EC2 console and verify that you're in the correct region.

b. Choose Instances and select your launched instance.

c. Select the server to display your metadata page and choose the Status checks tab at the bottom of the page to review if your status checks passed or failed.




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CONTACT

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IOanyT Innovations Pvt. Ltd.

Email: aws-marketplace-support@ioanyt.com

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