Now showing items 1-2 of 2
Multicentre prospective cohort study of body mass index and postoperative complications following gastrointestinal surgery
BackgroundThere is currently conflicting evidence surrounding the effects of obesity on postoperative outcomes. Previous studies have found obesity to be associated with adverse events, but others have found no association. ...
Impact of the choice of normalization method on molecular cancer class discovery using nonnegative matrix factorization
(Public Library of Science (PLoS), 2016-10-14)
Nonnegative Matrix Factorization (NMF) has proved to be an effective method for unsupervised clustering analysis of gene expression data. By the nonnegativity constraint, NMF provides a decomposition of the data matrix ...