MULCOX: a computer program for the Cox regression analysis of multiple failure time variables.
MULCOX is a user-friendly FORTRAN program for the analysis of regression effects when individual study subjects may experience multiple events or failures. Each marginal distribution of the multivariate failure time variable is formulated by a Cox proportional hazards model. The maximum partial likelihood estimators of the regression parameters in these marginal models are approximately jointly normal. The MULCOX program estimates the marginal models as well as the joint covariance matrix. In addition, it implements several multivariate inference procedures. The program runs on both mainframe computers and microcomputers. The running time is quite acceptable even for large samples. A simple example is provided to illustrate the features of the program.
Department of Biostatistics, Harvard School of Public Health, Boston, MA 02115.
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D008432:Mathematical Computing; D012044:Regression Analysis; D012984:Software; D012985:Software Design; D013997:Time Factors