Update README.md

README.md

@@ -43,20 +43,7 @@ Bradshaw, CJA, PE Hulme, EJ Hudgins, B Leung, M Kourantidou, P Courtois, AJ Turb
 
 
 ## Required R packages
-- <code><a href="https://cran.r-project.org/web/packages/invacost/invacost.pdf">invacost</a></code>
-- <code>lme4</code>
-- <code>dismo</code>
-- <code>gbm</code>
-- <code>boot</code>
-- <code>VIM</code>
-- <code>mice</code>
-- <code>performance</code>
-- <code>sjPlot</code>
-- <code>rworldmap</code>
-- <code>rgeos</code>
-- <code>SpatialEpi</code>
-- <code>nlme</code>
-- <code>rcompanion</code>
+<code><a href="https://cran.r-project.org/web/packages/invacost/invacost.pdf">invacost</a></code>, <code>lme4</code>, <code>dismo</code>, <code>gbm</code>, <code>boot</code>, <code>VIM</code>, <code>mice</code>, <code>performance</code>, <code>sjPlot</code>, <code>rworldmap</code>, <code>rgeos</code>, <code>SpatialEpi</code>, <code>nlme</code>, <code>rcompanion</code>,
 
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