span><span class="fu"><a href="https://rdrr.io/pkg/mvtnorm/man/Mvnorm.html" class="external-link">rmvnorm</a></span><span class="op">(</span><span class="va">N</span>, mean<span class="op">=</span><span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">0</span>,<span class="fl">0</span><span class="op">)</span>, sigma<span class="op">=</span><span class="fu"><a href="https://rdrr.io/r/base/matrix.html" class="external-link">matrix<