$<span class='no'>data</span>
<span class='no'>alien.phy</span><span class='kw'>&lt;-</span><span class='no'>alien</span>$<span class='no'>phy</span>
<span class='co'># Logtransform data</span>
<span class='no'>alien.data</span>$<span class='no'>logMass</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='https://rdrr.io/r/base/Log.html'>log</a></span>(<span class='no'>alien.data</span>$<span class='no'>adultMass</span>)
<span class='co'># Run sensitivity analysis:</span>
<span class='no'>tree</sp