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Table VI

Overall prediction rates.

Fitting data set Test data set


Observed Predicted Accuracy (%) Observed Predicted Accuracy (%)


Threshold/trees Alive Dead Alive Dead Alive Dead Alive Dead Alive Dead Alive Dead

Average observed
mortality rate 4 345 160 97.1 22.5 410 16 96.8 11.1
(0.1118)



Sensitivity cut-off 4 335 160 434 18
value 3 066 1 439 69.3 65.6 393 41 58.3 61.1
(0.03)



Random number 4 344 161 96.6 8.7 426 8 96.3 12.5