Table 1.

5-fold cross validated mean average error (MAE) of a linear regression model predicting the probability of the correct class for each worker using metrics on the same set of videos.

Input Features	5-fold MAE (%) All data points	5-fold MAE (%) 55 workers with all metric data	N
MSCL1, MPIL1, mean time	7.51	7.51	55
MSCL1, mean time	8.89	8.89	55
MPIL1, mean time	7.43	6.97	81
MSCL1, MPIL1	7.51	7.51	55
MSCL1	9.24	9.24	55
MPIL1	7.39	6.98	81
Mean time	15.56	9.83	193