Wang, Lu; Shen, Jincheng; Thall, Peter F. - In: Statistics & Probability Letters 93 (2014) C, pp. 126-133
In many biomedical studies, identifying effects of covariate interactions on survival is a major goal. Important examples are treatment–subgroup interactions in clinical trials, and gene–gene or gene–environment interactions in genomic studies. A common problem when implementing a variable...