3 code implementations • 15 Dec 2024 • Jacob F. Pettit, Chak Shing Lee, Jiachen Yang, Alex Ho, Daniel Faissol, Brenden Petersen, Mikel Landajuela
We consider the challenge of black-box optimization within hybrid discrete-continuous and variable-length spaces, a problem that arises in various applications, such as decision tree learning and symbolic regression.
2 code implementations • 11 Oct 2021 • Weiran Yao, Yuewen Sun, Alex Ho, Changyin Sun, Kun Zhang
In this work, we consider both a nonparametric, nonstationary setting and a parametric setting for the latent processes and propose two provable conditions under which temporally causal latent processes can be identified from their nonlinear mixtures.
2 code implementations • ICLR 2022 • Weiran Yao, Yuewen Sun, Alex Ho, Changyin Sun, Kun Zhang
Our goal is to find time-delayed latent causal variables and identify their relations from temporal measured variables.