Armitage–Doll model

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Sir Richard Shaboe Doll (1912—2005) physician and epidemiologist

Markov chain


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A model proposed by Armitage and Doll to describe the process of a malignant cancer. They proposed that the disease could be regarded as having n stages, with the time between moving from one stage to the next having an exponential distribution. This model is a pure birth process (see birth-and-death process) with death as an absorbing state (see Markov process).

Subjects: Probability and Statistics.

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