Multivariate failure time data frequently occur in medical studies and the dependence or association among survival variables is often of interest ("Biometrics", <b>51</b>, 1995, 1384; "Stat. Med.", <b>18</b>, 1999, 3101; "Biometrika", <b>87</b>, 2000, 879; "J. Roy. Statist. Soc. Ser. B", <b>65</b>, 2003, 257). We study the problem...

Variable selection is an important issue in all regression analyses, and in this paper we discuss this in the context of regression analysis of panel count data. Panel count data often occur in long-term studies that concern occurrence rate of a recurrent event, and their analysis has recently...