yle: italic">by Paul Murrell</span>
      <a href="http://orcid.org">
        <img alt="" src="https://www.stat.auckland.ac.nz/~paul/ORCID/ORCiD.png" style="width: 16px; height: 16px; vertical-align: middle">
      </a>
      <span style="font-family: mono; font-size: small">
        <a href="http://orcid.org/0000-0002-3224-8858">http://orcid.org/0000-0002-3224-8858</a>
      </span>
    </p>
    <p class="date">
Wednesday 14 June 2017
    </p>

    <hr>
    <p><a rel="license" href="http://creativecommons.