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European Transport Research Review

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Table 2 Confusion matrix of ORS versus SRS

From: Video-based observer rated sleepiness versus self-reported subjective sleepiness in real road driving

 

ORS

0

1

2

Σ

SRS

0

339 (15.7 %)

262 (10.1 %)

118 (8.1 %)

719 (33.3 %)

1

218 (12.1 %)

305 (14.1 %)

197 (13.6 %)

720 (33.3 %)

2

174 (5.5 %)

294 (9.1 %)

252 (11.7 %)

720 (33.3 %)

 

Σ

731 (33.8 %)

861 (39.9 %)

567 (26.3 %)

896 (41.5 %)

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