ames:
(1) ego: <code>dataframe</code> of all
egos and their attributes;
(2) alter: <code>dataframe</code> of all alters;
(3) aatie: <code>dataframe</code> of alter alter ties/ edges</p>
    </div>
    <div class="section level2">
    <h2 id="references">References<a class="anchor" aria-label="anchor" href="#references"></a></h2>
    <p>Muller, C., Wellman, B., &amp; Marin, A. (1999). How to Use SPSS to
Study Ego-Centered Networks. Bulletin de Methodologie Sociologique,
64(1), 83-100.</p>
    </div>

    <di