 base graphics</dd>
      </dl><dl><dt>

          <code><a href="density_2d_grid.html">density_2d_grid()</a></code>

        </dt>
        <dd>Density plot in 2d using the grid package</dd>
      </dl><dl><dt>

          <code><a href="density_2d_loon.html">density_2d_loon()</a></code>

        </dt>
        <dd>Density plot in 2d using the interactive loon package</dd>
      </dl><dl><dt>

          <code><a href="group_2d_graphics.html">group_2d_graphics()</a></code>

        </dt>
        <dd>Plot of la