PeerJ Author 200 Points Contributions by role Author 200 Contributions by subject area Epidemiology Evidence Based Medicine Science and Medical Education Statistics Diabetes and Endocrinology changhong yu PeerJ Author Summary Statistics Work details Programmer Analyst II in Biostatistics Cleveland Clinic Quantitative Health Sciences PeerJ Contributions Articles 2 August 1, 2013 Adding propensity scores to pure prediction models fails to improve predictive performance Amy S. Nowacki, Brian J. Wells, Changhong Yu, Michael W. Kattan https://doi.org/10.7717/peerj.123 PubMed 23940836 June 11, 2013 Prediction of morbidity and mortality in patients with type 2 diabetes Brian J. Wells, Rachel Roth, Amy S. Nowacki, Susana Arrigain, Changhong Yu, Wayne A. Rosenkrans, Michael W. Kattan https://doi.org/10.7717/peerj.87 PubMed 23781409
