Homophily in collaborations among US House Representatives, 1981–2018

U.S. House of Representatives

The American Medical Association (AMA) appreciates the U.S. House of Representatives Committee on Energy and Commerce Subcommittee on Health’s (Subcommittee) efforts to build on and accelerate wide-spread clinical applications of innovative tests. We welcome the opportunity to respond to the questions posed by the Subcommittee. Our responses are below along with examples that demonstrate the di...

The topology of politics: voting connectivity in the US House of Representatives

Time-varying topological simplifications of the space of votes in the US House of Representatives (US HoR) display several interesting features unavailable with classical methods of machine learning. In this paper we demonstrate how a recently developed topological simplification method, MAPPER, can detect changes in collaboration structures within the US HoR over time.

Apportionment of the House of Representatives

Community structure in the U.S. House of Representatives.

Much of the work involved in making United States law is performed by Congressional committees and subcommittees before bills reach the floors of the Senate and House of Representatives. Committee memberships can be viewed as a social network, and the relationships between legislators appointed to common committees can be grouped into various hierarchical levels: individuals, subcommittees, sta...

Community Structure in the United States House of Representatives

We investigate the networks of committee and subcommittee assignments in the United States House of Representatives from the 101st–108th Congresses, with the committees connected by “interlocks” or common membership. We examine the community structure in these networks using several methods, revealing strong links between certain committees as well as an intrinsic hierarchical structure in the ...