The topic of improved performances by athletes in both team and individual sports has shown that each sport has its own unique set of characteristics and these have to be analysed accordingly. This paper presents an extensive analysis of the nature and extent of improvement in golf by analysing...

This paper examines the relationship between team payroll and team performance in major league baseball from 1985 to 2002. The results indicate that the relationship has changed over time. Unlike the early years, there is now a much clearer relationship between payroll and performance....

This paper examines the relationship between team payroll and team performance in major league baseball from 1985 to 2002. The results indicate that the relationship has changed over time. Unlike the early years, there is now a much clearer relationship between payroll and performance....

At the mathematical level, a factor or principal component of a factor analysis is simply a linear combination of variables under some constraints. Therefore, as in regression analysis, there are conditions under which individual or joint observations can be influential in the sense that their...