R_Notebook_Test.txt

title: "R Notebook"
output:
  pdf_document:
    latex_engine: xelatex
  html_notebook: default
  html_document: default
mainfont: NanumGothic
---
이것은 [R Markdown](http://rmarkdown.rstudio.com) 노트북입니다.
This is an [R Markdown](http://rmarkdown.rstudio.com) Notebook. When you execute code within the notebook, the results appear beneath the code. 

Try executing this chunk by clicking the *Run* button within the chunk or by placing your cursor inside it and pressing *Cmd+Shift+Enter*. 

```{r}
plot(cars)
```

Add a new chunk by clicking the *Insert Chunk* button on the toolbar or by pressing *Cmd+Option+I*.

When you save the notebook, an HTML file containing the code and output will be saved alongside it (click the *Preview* button or press *Cmd+Shift+K* to preview the HTML file).