Search Results for author: Ruixun Zhang

Found 4 papers, 1 papers with code

The checkerboard copula and dependence concepts

no code implementations23 Apr 2024 Liyuan Lin, Ruodu Wang, Ruixun Zhang, Chaoyi Zhao

We study the problem of choosing the copula when the marginal distributions of a random vector are not all continuous.

On Consistency of Signatures Using Lasso

no code implementations17 May 2023 Xin Guo, Ruixun Zhang, Chaoyi Zhao

Signature transforms are iterated path integrals of continuous and discrete-time time series data, and their universal nonlinearity linearizes the problem of feature selection.

feature selection regression +1

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