1. CSCI N207 Data Analysis Using Spreadsheet
Department of Computer and Information Science
IUPUI

2. R Introduction What is R? Why R
A software environment for statistical computing and graphics (
Why R
A few lines in R could save
hours of struggling in a spreadsheet
pages of programming code in Java
Open source software tool, free for everybody
Great for plotting graphics or fitting statistical models
Run on UNIX, Windows and MacOS

3. R Introduction What do we do on R? Software tools similar to R
Importing data from spreadsheets or databases
Process data
Run statistical analysis
Perform data visualization
Software tools similar to R
MatLab
SPSS
SAS
Mathematica …

4. R Introduction Download and install R on your computer
( a more user-friendly
version)

5. R Introduction Data Imports Import data from a .csv file
Prepare a csv file by exporting data from a spreadsheet or database
Create a folder on your computer as your R workspace
Copy the csv file into the workspace
Set the folder as your workspace
Load the csv data into R
Note: For every “\” in the path, add a “\”.

6. R Introduction
use the data

7. R Introduction
Can press the up arrow or the down arrow to scroll through commands typed earlier, or type in “history()”
Can install RExcel and run R inside Excel -
Additional tutorials and examples