Practical_b.Rmd: install remotes

Practical_b.Rmd

@@ -15,6 +15,8 @@ output:
 <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>
 
 ```{r include=FALSE}
+if (!require("remotes"))
+  install.packages("remotes")
 if (!require("tidyverse"))
   install.packages("tidyverse")
 library(tidyverse) # to manipule data and make plot
@@ -46,7 +48,6 @@ knitr::opts_chunk$set(comment = NA)
 
 ```{r klippy_install, echo=FALSE, include=FALSE}
 if (!require("klippy")) {
-  install.packages("remotes")
   remotes::install_github("rlesur/klippy")
 }
 ```