If anyone wants to improve the usability, data files are:<p><a href="http:&#x2F;&#x2F;www.bloomberg.com&#x2F;graphics&#x2F;2016-who-marries-whom&#x2F;job-name.csv" rel="nofollow">http:&#x2F;&#x2F;www.bloomberg.com&#x2F;graphics&#x2F;2016-who-marries-whom&#x2F;job-...</a><p><a href="http:&#x2F;&#x2F;www.bloomberg.com&#x2F;graphics&#x2F;2016-who-marries-whom&#x2F;pair-count.csv" rel="nofollow">http:&#x2F;&#x2F;www.bloomberg.com&#x2F;graphics&#x2F;2016-who-marries-whom&#x2F;pair...</a>