nction imports ego-centered network data, stored in a single file, providing
ego, alter and edge data. This data format is used by the Allbus 2010 (GESIS)
and similar social surveys."><!-- mathjax --><script src="file:///usr/share/javascript/mathjax/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypP