Factor_Model

Factor Model MATLAB code underlying the publication: A Saddle Point Algorithm for Robust Data-Driven Factor Model Problems

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Description

The factor model problem focuses on the decomposition of a covariance matrix $\Sigma$ to low-rank and diagnonal positive semidefinite matrices. In practice, $\Sigma$ is often not available, and only its empirical counterpart, $\hat{\Sigma}$, is available. To robustify to this approximation error, a common practice is to consider a family of covariance matrices in the vicinity of $\Sigma$.

The linked repository contains MATLAB files corresponding to the numerical results of the paper 'A Saddle Point Algorithm for Robust Data-Driven Factor Model Problems'.

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Programming languages
  • Matlab 81%
  • Markdown 12%
  • Other 7%
License
  • BSD-3-Clause
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