Merge branch 'master' of /tmp/tmp.3NY80P1rWP into R.xml

R.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<packages>
+  <package id="R" name="R" revision="%version%.1" priority="0" reboot="false">
+    <check type="uninstall" condition="exists" path="R for Windows %version%" />
+
+    <!-- https://cran.r-project.org/bin/windows/base/ -->
+
+    <variable name="version" value="3.6.2" />
+
+    <!-- automatically try to uninstall earlier versions, but ignore errors due to them not being present -->
+    <!-- please keep appending to this list as you add new versions -->
+    <install cmd='cmd /c if exist "%programfiles%\R\R-3.2.5\unins000.exe" "%programfiles%\R\R-3.2.5\unins000.exe" /verysilent'><exit code="any" /></install>
+    <install cmd='cmd /c if exist "%programfiles%\R\R-3.5.1\unins000.exe" "%programfiles%\R\R-3.5.1\unins000.exe" /verysilent'><exit code="any" /></install>
+    <install cmd='cmd /c if exist "%programfiles%\R\R-3.6.1\unins000.exe" "%programfiles%\R\R-3.6.1\unins000.exe" /verysilent'><exit code="any" /></install>
+
+    <install cmd='%SOFTWARE%\R\r-%version%-win.exe /verysilent' />
+
+    <remove cmd='"%PROGRAMFILES%\R\R-%version%\unins000.exe" /verysilent' ><exit code='-1'/></remove>
+
+    <upgrade include="install" />
+  </package>
+</packages>