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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: Bone. 2012 Jan 20;50(4):942–953. doi: 10.1016/j.bone.2011.12.026

Table 4.

Bootstrap estimated classification accuracy and area under ROC (AUC) of VizRank compared to four standard machine learning algorithms

Classification Accuracy (%) Area under ROC (AUC)
2 age classes 3 age classes 2 age classes 3 age classes
VizRank 89.5 ± 11.5 73.0 ± 14.3 0.94 ± 0.12 0.85 ± 0.12
SVM 87.6 ± 19.8 76.2 ± 18.9 0.91 ± 0.21 0.92 ± 0.13
kNN 85.7 ± 11.9 77.5 ± 13.1 0.90 ± 0.13 0.87 ± 0.11
Naive Bayes 84.6 ± 11.8 62.9 ± 14.1 0.87 ± 0.11 0.77 ± 0.12
Decision trees 87.2 ± 8.2 72.6 ± 13.3 0.87 ± 0.09 0.83 ± 0.11