Estimating Multiple Tumor Transition Rates Based on Data from Survival/Sacrifice Experiments
In this paper, we focus on the model for two types of tumors. Tumor development can be described by four types of death rates and four tumor transition rates. We present a general semi-parametric model to estimate the tumor transition rates based on data from survival/sacrifice experiments. In the model, we make a proportional assumption of tumor transition rates on a common parametric function but no assumption of the death rates from any states. We derived the likelihood function of the data observed in such an experiment, and an EM algorithm that simplified estimating procedures. This article extends work on semi-parametric models for one type of tumor (see Portier and Dinse and Dinse) to two types of tumors.
Lu, Ying and Malani, Hina M., "Estimating Multiple Tumor Transition Rates Based on Data from Survival/Sacrifice Experiments" (September 1992). U.C. Berkeley Division of Biostatistics Working Paper Series. Working Paper 37.
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