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Student
Title
Supervisor
Faculty
Educational Programme
Final Grade
Year of Graduation
Dmitriy Salnikov
Statistical Fairness through Optimal Transport Theory
Statistical Learning Theory
(Master’s programme)
2019
Machine learning algorithms are heavily influenced by the data which

is used to fit them. If the data collection process is incorrect, this

may potentially lead to overfitting and as a result the undesirable

treatment with respect to a given groups.

The solution was presented to mitigate the impact of this while

sacrificing as little predictive performance as possible by

effectively leveraging the optimal transport theory. However, the

algorithm is cubic with respect to the input size, which limits its

application. We consider computationally efficient approximate

algorithms and empirically show that the algorithm's performance is

not hindered by this, which suggests that such algorithms can be

applied in practice. Moreover, we suggest an algorithm that adjusts

the solution for out of sample data.

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