Table 3. Classification error rates from cross-validation of Bayesian Network model for the contribution variables.

For contributorships, the percentage of mis-classified predictions is shown, while for NC, the mean squared error between the predicted and the observed values is reported.

Variables	Min.	Median	Mean	Max.
WR	0.062	0.064	0.064	0.065
AD	0.064	0.067	0.067	0.069
PE	0.072	0.075	0.075	0.077
CE	0.062	0.064	0.064	0.066
CT	0.077	0.078	0.078	0.081
NC	0.120	0.125	0.125	0.127