Table 3.

ROC area for the analysis of all studied correlation dimension estimates for the database used. Accuracy, sensibility, and specificity estimated with the correspondent cut points are expressed in percentage.

	ROC area	Acc.	Sen.	Spe.
D 2 [10]	0.900	81.8	71.4	100
${\widehat{D}}_{\mathrm{2}}$	0.900	81.8	71.4	100
${\widehat{D}}_{\mathrm{2}(\perp )}$	0.900	90.9	100	85.7
${\widehat{D}}_{\mathrm{2}(\max )}$	0.967	90.9	83.3	100