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Table 4

Algorithm assessment

Adjustment indicatorJ48REP TreeRandom Tree
Correct classificationsa 6,006 (91.4%) 5,539 (84.3%) 6,520 (99.2%) 
Incorrect classificationsb 564 (8.6%) 1,031 (15.7%) 50 (0.8%) 
Kappa statistic (κ0.89 0.79 0.99 
Total number of classificationsc 6,570 6,570 6,570 
Adjustment indicatorJ48REP TreeRandom Tree
Correct classificationsa 6,006 (91.4%) 5,539 (84.3%) 6,520 (99.2%) 
Incorrect classificationsb 564 (8.6%) 1,031 (15.7%) 50 (0.8%) 
Kappa statistic (κ0.89 0.79 0.99 
Total number of classificationsc 6,570 6,570 6,570 

aCoincidence of the human expert's response with that of the classification model.

bNon-coincidence of the human expert's response with that of the model.

cn.

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