documentclass[12pt, a4paper]{article}

usepackage[utf8]{inputenc}
usepackage{hyperref}
hypersetup{
colorlinks   = true, %Colours links instead of ugly boxes
urlcolor     = blue, %Colour for external hyperlinks
linkcolor    = blue, %Colour of internal links
citecolor   = blue %Colour of citations
}
usepackage{caption}
captionsetup[figure]{labelfont=bf, labelsep=period}
captionsetup[table]{labelfont=bf, labelsep=period}
setlength{parindent}{0pt}


title{My very first LaTeX/knitr document!}
date{April 2019}



begin{document}

maketitle

begingroup
hypersetup{linkcolor=black} % force independent link colours in table of    contents
tableofcontents
endgroup

newpage

section{Basics}

subsection{Using no options}
First, let's try and a show a chunk of code along with a plot and print() message.

<<first-chunk>>=
# Make a simple dataframe:
setwd("/home/user/Documents/testing-area/knitr/")
df <- data.frame(A = c(1,2,3), B = c("A", "B", "C"))
plot(df$A,df$B)
print("hello")
@