“LaTeX Error: Can be used only in preamble” even though all directives before begin directive











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In the following simplified version of a markdown doc intended for pandoc/latex generation to `pdf:



documentclass{article}
usepackage{unicode-math}
setmainfont{TeX Gyre Schola}
setmathfont{TeX Gyre Schola Math}
begin{document}



## Custom F1 Score For Scoring of Graph Matching

### Overview

The `F1 Score` is intended to compare two sets:

- Truth Set
- Actuals Set

Its calculation is:

$$F_{beta} = (1 + beta^2) cdot frac{mathrm{precision_k} cdot mathrm{recall_k^2}}{(beta^2 cdot mathrm{precision_k}) + mathrm{recall_k}}$$


end{document}


Notice that all of the preamble directives happen before the
begin{document}



The pdf is generated via pandoc:



    $pandoc  -V fontsize=9pt --pdf-engine xelatex -V 
geometry:"left=2cm,right=2cm,top=2cm,bottom=2cm" -o myDoc.pdf myDoc.md


The following error is produced:



Error producing PDF.
! LaTeX Error: Can be used only in preamble.

See the LaTeX manual or LaTeX Companion for explanation.
Type H <return> for immediate help.
...

l.60 documentclass


What is incorrect here for bringing in a mathsy font?










share|improve this question


























    up vote
    0
    down vote

    favorite












    In the following simplified version of a markdown doc intended for pandoc/latex generation to `pdf:



    documentclass{article}
    usepackage{unicode-math}
    setmainfont{TeX Gyre Schola}
    setmathfont{TeX Gyre Schola Math}
    begin{document}



    ## Custom F1 Score For Scoring of Graph Matching

    ### Overview

    The `F1 Score` is intended to compare two sets:

    - Truth Set
    - Actuals Set

    Its calculation is:

    $$F_{beta} = (1 + beta^2) cdot frac{mathrm{precision_k} cdot mathrm{recall_k^2}}{(beta^2 cdot mathrm{precision_k}) + mathrm{recall_k}}$$


    end{document}


    Notice that all of the preamble directives happen before the
    begin{document}



    The pdf is generated via pandoc:



        $pandoc  -V fontsize=9pt --pdf-engine xelatex -V 
    geometry:"left=2cm,right=2cm,top=2cm,bottom=2cm" -o myDoc.pdf myDoc.md


    The following error is produced:



    Error producing PDF.
    ! LaTeX Error: Can be used only in preamble.

    See the LaTeX manual or LaTeX Companion for explanation.
    Type H <return> for immediate help.
    ...

    l.60 documentclass


    What is incorrect here for bringing in a mathsy font?










    share|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      In the following simplified version of a markdown doc intended for pandoc/latex generation to `pdf:



      documentclass{article}
      usepackage{unicode-math}
      setmainfont{TeX Gyre Schola}
      setmathfont{TeX Gyre Schola Math}
      begin{document}



      ## Custom F1 Score For Scoring of Graph Matching

      ### Overview

      The `F1 Score` is intended to compare two sets:

      - Truth Set
      - Actuals Set

      Its calculation is:

      $$F_{beta} = (1 + beta^2) cdot frac{mathrm{precision_k} cdot mathrm{recall_k^2}}{(beta^2 cdot mathrm{precision_k}) + mathrm{recall_k}}$$


      end{document}


      Notice that all of the preamble directives happen before the
      begin{document}



      The pdf is generated via pandoc:



          $pandoc  -V fontsize=9pt --pdf-engine xelatex -V 
      geometry:"left=2cm,right=2cm,top=2cm,bottom=2cm" -o myDoc.pdf myDoc.md


      The following error is produced:



      Error producing PDF.
      ! LaTeX Error: Can be used only in preamble.

      See the LaTeX manual or LaTeX Companion for explanation.
      Type H <return> for immediate help.
      ...

      l.60 documentclass


      What is incorrect here for bringing in a mathsy font?










      share|improve this question













      In the following simplified version of a markdown doc intended for pandoc/latex generation to `pdf:



      documentclass{article}
      usepackage{unicode-math}
      setmainfont{TeX Gyre Schola}
      setmathfont{TeX Gyre Schola Math}
      begin{document}



      ## Custom F1 Score For Scoring of Graph Matching

      ### Overview

      The `F1 Score` is intended to compare two sets:

      - Truth Set
      - Actuals Set

      Its calculation is:

      $$F_{beta} = (1 + beta^2) cdot frac{mathrm{precision_k} cdot mathrm{recall_k^2}}{(beta^2 cdot mathrm{precision_k}) + mathrm{recall_k}}$$


      end{document}


      Notice that all of the preamble directives happen before the
      begin{document}



      The pdf is generated via pandoc:



          $pandoc  -V fontsize=9pt --pdf-engine xelatex -V 
      geometry:"left=2cm,right=2cm,top=2cm,bottom=2cm" -o myDoc.pdf myDoc.md


      The following error is produced:



      Error producing PDF.
      ! LaTeX Error: Can be used only in preamble.

      See the LaTeX manual or LaTeX Companion for explanation.
      Type H <return> for immediate help.
      ...

      l.60 documentclass


      What is incorrect here for bringing in a mathsy font?







      pandoc preamble markdown






      share|improve this question













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      share|improve this question










      asked 2 hours ago









      javadba

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      1013



























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