Research conducted at the University of Iowa linking sleep apnea and multiple myeloma could lead to potential treatment and prevention for patients at risk of the deadly cancer. Studies conducted on ...

The effectiveness of various analytical formulas for estimating R² shrinkage in multiple regression analysis was investigated. Two categories of formulas were identified: estimators of the squared ...

Accurate and precise measurement is an important component of any proper study design. As elaborated by Lin (1989, Biometrics 45, 255-268), the concordance correlation coefficient (CCC) is more ...