• Corpus ID: 238634310

Data Harmonization Via Regularized Nonparametric Mixing Distribution Estimation

@inproceedings{WilkinsReeves2021DataHV,
  title={Data Harmonization Via Regularized Nonparametric Mixing Distribution Estimation},
  author={Steven Wilkins‐Reeves and Yen-Chi Chen and Kwun Chuen Gary Chan},
  year={2021}
}
Data harmonization is the process by which an equivalence is developed between two variables measuring a common trait. Our problem is motivated by dementia research in which multiple tests are used in practice to measure the same underlying cognitive ability such as language or memory. We connect this statistical problem to mixing distribution estimation. We introduce and study a non-parametric latent trait model, develop a method which enforces uniqueness of the regularized maximum likelihood…