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A Markov Process Model of the Number of Years Spent in Major League Baseball

  • Anthony C. Krautmann , James E. Ciecka and Gary R. Skoog
Published/Copyright: October 15, 2010

We treat the number of years spent in major league baseball as a random variable and estimate probability distributions for this random variable through the use of recursive formulae. Distributional characteristics, including major league baseball worklife expectancies, are estimated for players by age and current activity status in the major leagues. Data from a recent time period (1977-2007) are used to calculate current characteristics of time spent in major league baseball. However, the contemporaneous nature of our data leads to censoring because many players in our data set had not completed their major league careers by the end of 2007. We deal with censoring through a Markov process model that captures transitions between activity and inactivity in major league baseball.

Keywords: Markov; model; career; MLB
Published Online: 2010-10-15

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