24 lines
894 B
Plaintext
24 lines
894 B
Plaintext
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---
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layout: default
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title: Welcome
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output: bookdown::html_chapter
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---
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## Prerequsitives
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You will need to have R installed on your computer to run the code in this chapter, as well as the RStudio IDE, a free program that makes it easier to use R. You can learn how to install both in *Appendix A: Getting Started*.
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You will also need to install the `tidyr`, `dplyr`, `devtools`, and `DSR` packages. To install, `tidyr`, `dplyr`, and `devtools`, open RStudio and run the command
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```{r eval = FALSE}
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install.packages(c("tidyr", "dplyr", "devtools"))
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```
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`DSR` is a collection of data sets that I have assembled for this book and saved online as a github repository ([github.com/garrettgman/DSR](http://github.com/garrettgman/DSR)). To install `DSR`, run the command
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```{r eval = FALSE}
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devtools::install_github("garrettgman/DSR")
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```
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To use the packages, load them with `library()`, i.e.
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