AUROC measurement in 2006

AUROC_a = c (0.57, 0.39, 0.64, 0.81, 0.85, 0.67, 0.33, 0.80, 0.57, 0.39, 0.64, 0.81, 0.85, 0.67, 0.33, 0.80, 0.91, 0.81, 0.85, 0.67)

AUROC_a=asin(sqrt(AUROC_a))

AUROC measurement in 2008

AUROC_b = c (0.58, 0.34, 0.61, 0.85, 0.82, 0.69, 0.35, 0.82, 0.58, 0.34, 0.61, 0.85, 0.82, 0.69, 0.35, 0.82, 0.90, 0.82, 0.86, 0.69)

AUROC_b=asin(sqrt(AUROC_b))