In this assignment you will learn R by using swirl $-$ R package.

It will guide you by step$-$by$-$step process through a self$-$paced interactive learning environment. Assuming that you've already installed R and RStudio, you need to install swirl package. To install swirl package, type the following in R studio console:

install.packages$("$swirl$")$

and press Enter, then just type the following, pressing Enter after each line:

$>$ library$("$swirl$")$

$>$ swirl$()$

Select Option $1($i$.$e$.,"$R Programming" $).$ Complete the following exercises within $"$R Programming"

$1$: Basic Building Blocks

$2$: Workspace and Files

$3$: Sequences of Numbers

$4$: Vectors

$5$: Missing Values

$6$: Subsetting Vectors

$7$: Matrices and Data Frames

$9$: Functions

$12$: Looking at Data

Once the exercises are complete, upload the $.$Rhistory file in the blackboard. The $.$Rhistory file can be found in your working directory. You can locate the working directory by typing getwd$()$ in Rstudio console $.$

To navigate through swirl you need to remember the following commands:

When you are at the R prompt $(>)$:$|--$ Typing skip$()$ allows you to skip the current question.

$--$ Typing play$()$ lets you experiment with R on your own; swirl will ignore what you do$...$

$--$ UNTIL you type nxt$()$ which will regain swirl's attention.

$--$ Typing bye$()$ causes swirl to exit.

$--$ Typing main$()$ returns you to swirl's main menu.

$--$ Typing info$()$ dis

Source on Save

Run

Source

insta$71.$packages$("$Swir$1")$

$1$:$1($Top Level$)$ :

$RSCr$

Console

Terminal

Background Jobs

R$.R4\mathrm{.}4\mathrm{.}01$

ype aemo$($s tor some aemos, ne ip$()$ tor on$-$itne ne$$p$,$ or

he$7$p$.$ start$()\text{'}$ for an HTML browser interface to help.

Type $\text{'}$q$()\text{'}$ to quit $R.$

$>$ insta$77.$packages $("$swir$7")$

WARNING: Rtoo$7$s is required to build R packages but is not current$7$y instal$7$ed$.$ lease download and instal$7$ the appropriate version of Rtools before proceeding:

https: $//$ cran.

rstudio.com$/$bidisy

Instal$7$ing package into $\text{'}$C$/4.4\text{'}($as $\text{'}7$ib$\text{'}$ is unspecified$)$

a$7$so instal$7$ing the dependencies "utfos" "pirdard. $\{$pkgconfig$\text{'},"$sys$\text{'},$ "crayon',