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Learning Jupyter

You're reading from  Learning Jupyter

Product type Book
Published in Nov 2016
Publisher Packt
ISBN-13 9781785884870
Pages 238 pages
Edition 1st Edition
Languages
Author (1):
Dan Toomey Dan Toomey
Profile icon Dan Toomey

Table of Contents (16) Chapters

Learning Jupyter
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Introduction to Jupyter Jupyter Python Scripting Jupyter R Scripting Jupyter Julia Scripting Jupyter JavaScript Coding Interactive Widgets Sharing and Converting Jupyter Notebooks Multiuser Jupyter Notebooks Jupyter Scala Jupyter and Big Data

Basic R in Jupyter


Start a new R notebook and call it R Basics. We can enter a small script just so we can see how the steps progress for an R script. Enter the following into separate cells of your notebook:

myString <- "Hello, World!"
print (myString)

You will end up with a starting screen that looks like this:

We should note the aspects of the R notebook view:

  • We have the R logo in the upper-right corner. You will see this logo running in other R installations.

  • There is also the peculiar R O just below the R icon. The unfilled circle indicates that the kernel is at rest, and the filled circle indicates the kernel is working.

  • The rest of the menu items are the same as we have seen before.

This is a very simple script-set a variable in one cell then print out its value in another cell. Once executed (Cell | Run All), you will see your results:

So, just as if you ran the script in an R interpreter, you get your output (with the numerical prefix). Jupyter has counted the statements so we...

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