Quantitative Methods

for Lawyers

@ computationalcomputationallegalstudies.comprofessor daniel martin katz

Intro to the R EnvironmentInstalling R, R Studio

Class Bonus Module

In this introduction, I will curate for you the wonderful set of online resources thatyou can you to learn

Okay Lets Start With Some Quick Background

is a Statistical Computing Language

is a free, open source implementation of the S language

has particular syntax and logic that

can be learned (but it takes some time)

The Basic Installation Offers a Base Model of but you can load additional packages as needed to

customize your experienceand add functionality

Indeed, now features more than 4,000 different

packages

http://www.ats.ucla.edu/stat/r/seminars/intro.htm

The Ecosystem

http://www.ats.ucla.edu/stat/r/seminars/intro.htm

The Ecosystem

http://www.ats.ucla.edu/stat/r/seminars/intro.htm

Later, I will show you how to add

specific packages from CRAN

The Ecosystem

http://www.ats.ucla.edu/stat/r/seminars/intro.htm

Later, I will show you how to add

specific packages from CRAN

The Ecosystem

(such as ggplot2)

http://www.ats.ucla.edu/stat/r/seminars/intro.htm

But first, we will download the

following:

Core R

The EcosystemLater, I will show you how to add

specific packages from CRAN(such as ggplot2)

http://www.ats.ucla.edu/stat/r/seminars/intro.htm

But first, we will download the

following:

Core R

The EcosystemLater, I will show you how to add

specific packages from CRAN(such as ggplot2)

http://www.ats.ucla.edu/stat/r/seminars/intro.htm

R Studio (as our front end IDE tool)

But first, we will download the

following:

Core R

The EcosystemLater, I will show you how to add

specific packages from CRAN(such as ggplot2)

http://www.ats.ucla.edu/stat/r/seminars/intro.htm

R Studio (as our front end IDE tool)

But first, we will download the

following:

Core R

The EcosystemLater, I will show you how to add

specific packages from CRAN(such as ggplot2)

Lets Install

A Useful Video for You on Installing R on a Windows Machinehttp://www.youtube.com/watch?v=X_oFb2iAdu8

A Useful Video for You on Installing R Studio on Windowshttp://www.youtube.com/watch?v=AZPbg29Plpw

http://www.youtube.com/watch?v=ICGkG7Gg6j0A Useful Video for You on Installing R on a Mac

A Second Useful Video for You on Installing R + RStudio on a Mac

http://www.youtube.com/watch?v=zMvwJtKY874

Note: Mac Users Might Also Benefit from Watching the PC

video (and vice versa)

If you have successfully installed BOTH

and

Then, it is time to exploreSo open R Studio

Here is the Front End

You Can Switch Your Colors in Preferences

You Can Switch Your Colors in Preferences

You Can Switch Your Colors in Preferences

Watch this video in full screen mode in order to get started with windows in R studio

http://www.youtube.com/watch?v=jPk6-3prknk

Lets Explore Some More Basic Stuff With R Studio

Loading Packages

As promised, I will now show you how

to add specific packages from

CRAN

ggplot2 is a very popular graphics

package

ggplot2 is a very popular graphics

package

It is not included in the base install of R

ggplot2 is a very popular graphics

package

It is not included in the base install of R

But it is quite easy

to add

Lets enter some

commands

Library () will provide us with

a list of currently installed packages

Scroll Through

andNotice that ggplot2 is not there

Type install.packages

(“ggplot2”)and hit return

(don’t forget the quotes)

Notice that is automatically installing the dependencies

this is great because not you do not have to go

install each of them by hand

:)

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