This study offers a method of evaluating the stability of ranks of a data vector over time. In particular, we study improvement of a process observed over time where the data is ranked. The degree of competition at a major tennis championship (Wimbledon) as well as how trends in the level of...

This study focuses on individual home run hitting in Major League Baseball. It is observed that the distribution of the rate of home run hitting is highly right skewed, but it is becoming discernibly less so over time. Frequencies of the lowest rates have been decreasing, whereas the frequencies...