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math.ST2025
Testing MCAR via covariances: Extending the U-statistic framework to partially observed variables
Danijel G. Aleksić
This paper presents a generalized version of a U-statistics-based test for MCAR developed by Aleksić (2024). The proposed test, similar to the original, evaluates the MCAR assumpti…
math.ST2023
A Novel Test of Missing Completely at Random: U-statistics-based Approach
Danijel Aleksić
In this paper, a novel test for testing whether data are Missing Completely at Random is proposed. Asymptotic properties of the test are derived utilizing the theory of non-degener…