='op'>=</span><span class='fu'><a href='https://rdrr.io/r/base/matrix.html'>matrix</a></span><span class='op'>(</span><span class='fu'><a href='https://rdrr.io/r/stats/Normal.html'>rnorm</a></span><span class='op'>(</span><span class='va'>N</span><span class='op'>*</span><span class='va'>p</span><span class='op'>)</span>,<span class='va'>N</span>,<span class='va'>p</span><span class='op'>)</span>
<span class='va'>beta</span><span class='op'>=</span><span class='fu'><a href='https://rdrr.io/r/stats/Normal.ht