d_dev_by_group_table()</a></code> </p>
        </td>
        <td><p>Get mean and standard deviation of variables by group</p></td>
      </tr><tr><td>
          <p><code><a href="make_n_and_percent_table.html">make_n_and_percent_table()</a></code> </p>
        </td>
        <td><p>Make a table showing the number (n) and percent of the population (e.g. % of nrow())
for each value in a variable(s).</p></td>
      </tr><tr><td>
          <p><code><a href="make_regression_graph.html">make_regression_graph()</a>