How to Add R and Nodejs in Jupyterlab

How to Add R Kernel and Javascripts(Node Js) to Jupyter Notebook

Adding R Kernel To Jupyter

You will need to have R installed on your system. You can download it from their official website Cran R Project here.

  • Step 1: Open your R Studio if you are in windows or in Linux and Ubuntu, start your R by typing R in your terminal.
  • Step 2: Install the devtools and select a mirror to download the devtools based on your country or preferably choose the Cloud option

install.packages(‘devtools’)

  • Step 3: Using the devtools install from github the IRkernel with this command:

devtools::install_github(‘IRkernel/IRkernel’)
# or devtools::install_local(‘IRkernel-master.tar.gz’)

  • Step 4: Register the kernel in the current R installation

IRkernel::installspec()

In case you want to add multiple R kernels you can specify by name like below

# in R 3.3
IRkernel::installspec(name = ‘ir33’, displayname = ‘R 3.3’)
# in R 3.2
IRkernel::installspec(name = ‘ir32’, displayname = ‘R 3.2’)

Video Tutorial Here

 

 

Adding Javascript/Nodejs to Jupyter Notebook/Lab

This is quite easy to do.

  • Step 1: First install nodejs from their official website here. You can choose the LTS version or the other based on your preference.In case you are on linux you can use the following command from your terminal

sudo apt-get install nodejs-legacy npm ipython ipython-notebook

  • Step 2:  Using npm (Node Package Manager) install globally ijavascript

sudo npm install -g ijavascript

  • Step 3: Type  ijsinstall  in your  terminal or command promptYou can now start your jupyter notebook or jupyter lab

Video Here

 

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