Hotelling's <i>T</i>² contribution plot representing one observation (marked with an arrow in Fig 3).

<p>Hotelling's <i>T</i>² contribution plot representing one observation (marked with an arrow in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0189443#pone.0189443.g003" target="_blank">Fig 3</a>).</p