R and RStudio

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# R and RStudio

## Tidy Data Science with the Tidyverse and Tidymodels

### W. Jake Thompson

#### [https://tidyds-2021.wjakethompson.com](https://tidyds-2021.wjakethompson.com) &#183; [https://bit.ly/tidyds-2021](https://bit.ly/tidyds-2021)

.footer-license[*Tidy Data Science with the Tidyverse and Tidymodels* is licensed under a [Creative Commons Attribution 4.0 International License](https://creativecommons.org/licenses/by/4.0/).]

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# Data Science

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.footnote[Picture from Joshua Earle on [Unsplash](https://unsplash.com/photos/-87JyMb9ZfU)]

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# R: A computer language for scientists

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.footnote[Picture from Eric Muhr on [Unsplash](https://unsplash.com/photos/8HyrGTYPQ68)]

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## R packages

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## R packages

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## R packages

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# tidyverse: Ecosystem to unify data science tasks

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.footnote[From [Data Rectangling, by Jenny Bryan](https://rstudio.com/resources/rstudioconf-2018/data-rectangling/)]

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# Using packages

.pull-left[
### Step 1

```r
install.packages("foo")
```
Downloads files to computer
## 1 x per computer
]

.pull-right[
### Step 2

```r
library("foo")
```
Loads package
## 1 x per R session
]

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.pull-left[
```r
install.packages("tidyverse")
```

does the equivalent of

.small[
```r 
install.packages("ggplot2")
install.packages("tibble")
install.packages("tidyr")
install.packages("readr")
install.packages("purrr")
install.packages("dplyr")
install.packages("stringr")
install.packages("forcats")
install.packages("dbplyr")
install.packages("haven")
install.packages("hms")
install.packages("httr")
install.packages("jsonlite")
install.packages("lubridate")
install.packages("magrittr")
install.packages("modelr")
install.packages("readxl")
install.packages("reprex")
install.packages("rlang")
...
```
]
]

.pull-right[
<img src="images/r-rstudio/tidyverse-network-1.png" width="504" />
]

---
.pull-left[
```r
install.packages("tidyverse")
```

does the equivalent of

.small[
```r
* install.packages("ggplot2")
* install.packages("tibble")
* install.packages("tidyr")
* install.packages("readr")
* install.packages("purrr")
* install.packages("dplyr")
* install.packages("stringr")
* install.packages("forcats")
install.packages("dbplyr")
install.packages("haven")
install.packages("hms")
install.packages("httr")
install.packages("jsonlite")
install.packages("lubridate")
install.packages("magrittr")
install.packages("modelr")
install.packages("readxl")
install.packages("reprex")
install.packages("rlang")
...
```
]
]

.pull-right[
```r
library("tidyverse")
```

does the equivalent of

.small[
```r
library("ggplot2")
library("tibble")
library("tidyr")
library("readr")
library("purrr")
library("dplyr")
library("stringr")
library("forcats")
```
]
]

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# .nobold[(Applied)] Data Science

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  <a href="https://rstudio.com">
    <img class="hex" src="images/hex/RStudio.png">
  </a>
</div>

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# RStudio

- Software program
- IDE: Integrated Development Environment
  - Write R code
  - Run R code
  - Analyze data with R
- Text editor, version control, debugging tools, and more...

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# Your turn 1

Download course materials

.pull-left[
**From R**

.smallish[
```r
usethis::use_course(bit.ly/tidyds-2021-materials)
```
]
]

.pull-right[
**From the web**
https://github.com/wjakethompson/tidyds-2021

Green "Code" button -> Download ZIP
]

Open `tidyds-2021.Rproj`

Navigate to `materials/exercises/01-getting-started.Rmd`

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# R and RStudio

## Tidy Data Science with the Tidyverse and Tidymodels

### W. Jake Thompson

#### [https://tidyds-2021.wjakethompson.com](https://tidyds-2021.wjakethompson.com) &#183; [https://bit.ly/tidyds-2021](https://bit.ly/tidyds-2021)

.footer-license[*Tidy Data Science with the Tidyverse and Tidymodels* is licensed under a [Creative Commons Attribution 4.0 International License](https://creativecommons.org/licenses/by/4.0/).]