Author_playground

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test \ref{test}

So it can be used in markdown: \ref{test} (Favaro)

figure test \label{test}

teste \begin{lstlisting}

school          sex             age             address         famsize        
Pstatus         Medu            Fedu            Mjob            Fjob           
reason          guardian        traveltime      studytime       failures       
schoolsup       famsup          paid            activities      nursery        
higher          internet        romantic        famrel          freetime       
goout           Dalc            Walc            health          absences       

Target column:
===================
passed

\end{lstlisting}