Imputation of Mixed Data With Multilevel Singular Value Decomposition
Imputation of Mixed Data With Multilevel Singular Value Decomposition
Statistical analysis of large datasets offers new opportunities to better understand underlying processes. Yet, data accumulation often implies relaxing acquisition procedures or compounding diverse sources. As a consequence, datasets often contain mixed data, that is, both quantitative and qualitative, and many missing values. Furthermore, aggregated data present a natural multilevel …