title: error in installing library(geojsonio) R programming
body: <p>I am trying to install <code>library(geojsonio)</code> in R but I am getting this error</p>
  <blockquote>
  <p>Error: package or namespace load failed for ‘geojsonio’ in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]): there is no package called ‘foreign’</p>
  </blockquote>