Attempts to reduce vignette size

Reducing the size of some figures and switching of retina figures
in the preamble only gives a small decrease in vignette size,
but may be enough to get the size of the doc directory below 5 MB
to avoid the NOTE in the corresponding check (which I did not get
locally, nor on winbuilder using r-devel.

1 files changed, 1 insertions, 0 deletions

diff --git a/vignettes/mkin.Rmd b/vignettes/mkin.Rmd
index 03e8548a..3f579519 100644
--- a/vignettes/mkin.Rmd
+++ b/vignettes/mkin.Rmd
@@ -7,6 +7,7 @@ output:
     toc: true
     toc_float: true
     code_folding: hide
+    fig_retina: null
 bibliography: references.bib
 vignette: >
   %\VignetteEngine{knitr::rmarkdown}