w.com/questions/1395301/how-to-get-r-to-recognize-your-working-directory-as-its-working-directory'>https://stackoverflow.com/questions/1395301/how-to-get-r-to-recognize-your-working-directory-as-its-working-directory</a>
<a href='https://stackoverflow.com/questions/1189759/expert-r-users-whats-in-your-rprofile'>https://stackoverflow.com/questions/1189759/expert-r-users-whats-in-your-rprofile</a>
<a href='http://www.noamross.net/archives/2012-11-02-rprofile/'>http://www.noamross.net/archives/2012-11-02-rprof