Online Detection of P300 and Error Potentials in a BCI Speller

Table 2

Results of the online ErrP classification. Training size is the number of letters for each class from the ErrP copy mode session. Performance is the fraction of correct classification in the free mode experiment.

		Train.	online
Subject		Size	performance
B1	ErrP	84	23/35 (66%)
	N-ErrP	290	51/74 (69%)
B3	ErrP	65	38/65 (58%)
	N-ErrP	193	91/137 (66%)