ion</h1>
    </div>




    <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>

    <p>An environment of first and last names by gender and ethnicity (first names) and ethnicity (last names)
  Gender is coded 0 for male and 1 for female, ethnicity is coded 1 for American Indian or Native Alaskan,
  2 for Asian or Pacific Islander, 3 for Black (not Hispanic), 4 for Hispanic, and 5 for White (not
  Hispanic). For example, the array <code>first_names_e1_g0</code> in <code>random