R/C2/Working-directories-in-RStudio/English

Title of script: Working directories in RStudio

Authors: Shaik Sameer (IIIT Vadodara) and Sudhakar Kumar (IIT Bombay)

Keywords: R, RStudio, working directory, read csv

Visual Cue	Narration
Show slide Opening slide	Welcome to this tutorial on Working directories in RStudio.
Show slide Objectives	In this tutorial, you will learn about: Working directories in RStudio How to read and store csv files in R
Show slide Pre-requisites	To understand this tutorial, you should know: R and RStudio Basic commands of R If not, please locate the relevant tutorials on R on this website.
Show slide Systems requirements	This tutorial is recorded on Ubuntu Linux OS 16.04 R version 3.2.3 RStudio version 1.1.456 Install R version 3.2.0 or higher.
Text on screen Download CaptaincyData.csv file from the Code files link	We will use the captaincy data set which we created earlier in this series. Download this data set CaptaincyData.csv from the Code files link of this tutorial.
[Computer screen] Highlight CaptaincyData.csv in the folder myProject	I have downloaded and moved this data set to the folder myProject on my Desktop. I shall set this folder as my Working Directory.
Show slide R scripts	Remember we had created two scripts, myfirstscript.R and mysecondscript.R Both were saved in the folder myProject, on the Desktop.
Show slide Working directory	R always points to a default directory on our computer This directory is where R will look, by default, for files you ask it to load.
	We will find out what our current Working Directory is. Let us switch to RStudio.
[RStudio] Console >> type getwd()	In the Console window, type getwd parentheses and press Enter.
Point to /home/fossee in Console	The current Working Directory is shown in the Console. Note down the directory path.
	Now, we will learn how to set our Working Directory.
[RStudio] Highlight myProject folder on Desktop	I will set the folder myProject on my Desktop as my Working Directory.
	I am maximizing the Files and Plots window of RStudio.
Go to graphical output window at the bottom right >> select the Files tab	At the top of the Files and Plots window, click on the Files tab.
Click on the button with three dots at the right corner	Go to the upper right corner of the same window. Below the refresh icon, click on the button with three dots.
Point to Go To Folder	Go To Folder window appears.
Select myProject folder >> click Open	Select the folder which you want to make as your Working Directory and click Open. I am selecting myProject located on my Desktop.
Point to the two scripts under Files tab	Under Files tab, you can see that the two scripts created earlier, have been loaded.
[RStudio] Select More >> Set As Working Directory	Now, below the Files tab, click on the More button with the blue gear symbol. From the dropdown menu, select the Set As Working Directory option. Now this folder is set as your Working Directory.
Point to the Console	You may verify this by looking at the Console.
	Now, I am minimizing the Files and Plots window.
	There is one other way to set the Working Directory also.
[RStudio] Console >> type setwd("/home/fossee/ Desktop/myProject")	In the Console, type setwd. Now, inside parentheses, type the desired folder path within double quotes. Press Enter.
Highlight CaptaincyData.csv in the File tab	Now, we will learn how to read and store a csv file called CaptaincyData.csv.
	We shall declare a variable captaincy to store CaptaincyData.csv.
[RStudio] captaincy = read.csv("CaptaincyData.csv")	In the Console window, type captaincy space equal sign space read.csv Now, CaptaincyData.csv inside double quotes in parentheses and press Enter.
Highlight read.csv	read.csv function is used to read a file and to create a data-frame from it.
[RStudio] View(captaincy) Highlight the data frame in Source window	Now, we use View function to see the stored data frame. In the Console window, type View captaincy in parentheses and press Enter. The contents of captaincy data frame appears in the Source window.
	I am maximizing the Source window to see the captaincy data set.
	This brings us to the end of this tutorial. Let us summarize.
Show slide Summary	In this tutorial, we have learned How to get and set a working directory How to read and store a csv file
Show slide Assignment	We now suggest an assignment. Create a new folder on your computer and make it your Working Directory.
Show slide About the Spoken Tutorial Project	The video at the following link summarises the Spoken Tutorial project. Please download and watch it.
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Show Slide Forum to answer questions	Pls post your timed queries in this forum.
Show Slide Forum to answer questions	Pls post your general queries in this forum.
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Show Slide Acknowledgement	The Spoken Tutorial project is funded by NMEICT, MHRD, Govt. of India
Show Slide Thank You	This script for this tutorial was contributed by Shaik Sameer (FOSSEE Fellow 2018). This is Sudhakar Kumar from IIT Bombay signing off. Thanks for watching.

Contributors and Content Editors

Nancyvarkey, Sudhakarst