Search Results for author: Yangbo He

Found 6 papers, 0 papers with code

On the Representation of Causal Background Knowledge and its Applications in Causal Inference

no code implementations10 Jul 2022 Zhuangyan Fang, Ruiqi Zhao, Yue Liu, Yangbo He

Causal background knowledge about the existence or the absence of causal edges and paths is frequently encountered in observational studies.

Causal Inference

A Local Method for Identifying Causal Relations under Markov Equivalence

no code implementations25 Feb 2021 Zhuangyan Fang, Yue Liu, Zhi Geng, Shengyu Zhu, Yangbo He

We propose a local approach to identify whether a variable is a cause of a given target under the framework of causal graphical models of directed acyclic graphs (DAGs).

On Low Rank Directed Acyclic Graphs and Causal Structure Learning

no code implementations10 Jun 2020 Zhuangyan Fang, Shengyu Zhu, Jiji Zhang, Yue Liu, Zhitang Chen, Yangbo He

Despite several advances in recent years, learning causal structures represented by directed acyclic graphs (DAGs) remains a challenging task in high dimensional settings when the graphs to be learned are not sparse.

Formulas for Counting the Sizes of Markov Equivalence Classes of Directed Acyclic Graphs

no code implementations23 Oct 2016 Yangbo He, Bin Yu

A Markov equivalence class can be represented by an essential graph and its undirected subgraphs determine the size of the class.

Supplement to "Reversible MCMC on Markov equivalence classes of sparse directed acyclic graphs"

no code implementations4 Mar 2013 Yangbo He, Jinzhu Jia, Bin Yu

This supplementary material includes three parts: some preliminary results, four examples, an experiment, three new algorithms, and all proofs of the results in the paper "Reversible MCMC on Markov equivalence classes of sparse directed acyclic graphs".

Reversible MCMC on Markov equivalence classes of sparse directed acyclic graphs

no code implementations26 Sep 2012 Yangbo He, Jinzhu Jia, Bin Yu

In this paper, we design reversible irreducible Markov chains on the space of Markov equivalent classes by proposing a perfect set of operators that determine the transitions of the Markov chain.

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