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. Author manuscript; available in PMC: 2017 Nov 1.
Published in final edited form as: Ergonomics. 2016 Mar 2;59(11):1514–1525. doi: 10.1080/00140139.2016.1146347

Table 3.

Mean (SD) of Estimated Element Time (seconds) Error for Get and Put using the Decision Tree (DT), kth Nearest Neighbor (41 video training set) (kNN_r), and kth Nearest Neighbor (First cycle training set) (kNN_f) Algorithms

Duration Estimation Error
Element Ground Truth
Time
DT kNN_r
(41 video training set)
kNN_f
(First cycle training set)
Get 5.0 (1.8) 0.4 (0.6) 0.2 (0.2) 0.3 (0.3)
Put 4.6 (1.7) 0.4 (0.6) 0.2 (0.2) 0.3 (0.3)