Application of Grey Theory in the Construction of Impact Criteria and Prediction Model of Players’ Salary Structure

Table 3

An analysis of the difference between actual and predicted performance of CPBL players.

Data set	Positions
	Pitchers	Fielders	All players
Overall	46.5%	28.2%	35.1%
4-year	20.2%	12.5%	15.2%
3-year	19.2%	17.5%	18.2%
2-year	161.0%	124.0%	141.3%