ass='no'>phy</span> <span class='kw'>=</span> <span class='fu'>rtree</span>(<span class='fl'>100</span>)
<span class='no'>x</span> <span class='kw'>=</span> <span class='fu'>rTrait</span>(<span class='kw'>n</span><span class='kw'>=</span><span class='fl'>1</span>,<span class='kw'>phy</span><span class='kw'>=</span><span class='no'>phy</span>)
<span class='no'>X</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/cbind.html'>cbind</a></span>(<span class='fu'><a href='https://rdr