e-html/unnamed-chunk-18-1.png)&lt;!-- --&gt;

]

.footnote[
The [default dpi](https://yihui.name/knitr/options/#plots) = 72. &lt;br&gt;
The [default fig.retina](https://github.com/rstudio/rmarkdown/blob/master/R/html_document.R)  = 2. &lt;br&gt;
That means the dpi is 72 x 2 = 144
]

---
name: plot-demo

.pull-left[
# üéâ

]

.pull-right[

````
```{r fig.retina = 3}
name_plot
```
````

&lt;img src="xaringan_files/figure-html/unnamed-chunk-19-1.png" width="504" /&gt;
]

.footnote[
That means the dpi is 