[R] Paths in knitr

[Yihui Xie]

Why do you have to set the base.dir option?

Regards,
Yihui
--
https://yihui.name


On Thu, Jun 8, 2017 at 6:15 AM,  <G.Maubach at weinwolf.de> wrote:
> Hi All,
>
> I have to compile a report for the management and decided to use RMarkdown
> and knitr. I compiled all needed plots (using separate R scripts) before
> compiling the report, thus all plots reside in my graphics directory. The
> RMarkdown report needs to access these files. I have defined
>
> ```{r setup, include = FALSE}
> knitr::opts_knit$set(
>   echo = FALSE,
>   xtable.type = "html",
>   base.dir = "H:/2017/Analysen/Kundenzufriedenheit/Auswertung",
>   root_dir = "H:/2017/Analysen/Kundenzufriedenheit/Auswertung",
>   fig.path = "results/graphics")  # relative path required, see
> http://yihui.name/knitr/options
> ```
>
> and then referenced my plot using
>
> <img src = "email_distribution_pie.png"></img>
>
> because I want to be able to customize the plotting attributes.
>
> But that fails with the message "pandoc.exe: Could not fetch
> email_distribution_pie.png".
>
> If I give it the absolute path
> "H:/2017/Analysen/Kundenzufriedenheit/Auswertung/results/graphics/email_distribution_pie.png"
> it works fine as well if I copy the plot into the directory where the
> report.RMD file resides.
>
> How can I tell knitr to fetch the ready-made plots from the graphics
> directory?
>
> Kind regards
>
> Georg
>
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