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Online Causal Inference Seminar

Event Details:

Tuesday, November 29, 2022
8:30am - 9:30am PST

This event is open to:

General Public

Free and open to the public

Tuesday, November 29, 2022 [Link to join]

(ID: 996 2837 2037, Password: 386638)

  • Speaker: Wayne Lam (CMU)
  • Title: Greedy Relaxations of the Sparsest Permutation Algorithm
  • Discussant: Alex Markhan
  • Abstract: There has been an increasing interest in methods that exploit permutation reasoning to search for directed acyclic causal models, including the "Ordering Search" of Teyssier and Kohler (2005), and GSP of Solus, Wang and Uhler (2021). We extend the methods of the latter by a permutation-based operation, tuck, and develop a class of algorithms, namely GRaSP, that are efficient and pointwise consistent under increasingly weaker assumptions than faithfulness. The most relaxed form of GRaSP outperforms many state-of-the-art causal search algorithms in simulation, allowing efficient and accurate search even for dense graphs and graphs with more than 100 variables.

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