title: R - Install.Packages failure?
body: <p>the below shows my attempt to install a package in R using install.packages from a tar.gz but I get an error which is rather unhelpful. Any ideas? </p>
  
  <p><a href="https://i.stack.imgur.com/f9A3T.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/f9A3T.jpg" alt="enter image description here"></a></p>