Characterization of missing values in untargeted MS-based metabolomics data and evaluation of missing data handling strategies
Kieu Trinh Do, Simone Wahl, Johannes Raffler, Sophie Molnos, Michael Laimighofer, Jerzy Adamski, Karsten Suhre, Konstantin Strauch, Annette Peters, Christian Gieger, Claudia Langenberg, Isobel D. Stewart, Fabian Joachim Theis, Harald Grallert, Gabi Kastenmüller, Jan Krumsiek
The paper evaluates missing data handling strategies in untargeted metabolomics data, finding that KNN imputation with variable pre-selection is robust across multiple evaluation schemes.
Metabolomics · Sep 20, 2018Peer-reviewedSystems Biology