adding dpi 300 to set up chunk

Author: leem44

reading.Rmd

@@ -5,7 +5,7 @@ library(magick)
 library(magrittr)
 library(knitr)
 knitr::opts_chunk$set(message = FALSE,
-                      fig.align = "center")
+                      fig.align = "center", dpi = 300)
 ```
 
 ## Overview 

viz.Rmd

@@ -8,7 +8,7 @@ library(kableExtra)
 library(magick)
 
 
-knitr::opts_chunk$set(fig.align = "center")
+knitr::opts_chunk$set(fig.align = "center", dpi = 300)
 ```
 
 ## Overview 

wrangling.Rmd

@@ -7,7 +7,7 @@ library(canlang)
 library(cowplot)
 
 # set as default because for some reason it breaks the pdf in this chapter
-knitr::opts_chunk$set(fig.align = "default")
+knitr::opts_chunk$set(fig.align = "default", dpi = 300)
 ```
 
 ## Overview