The SSVEP-Based BCI Text Input System Using Entropy Encoding Algorithm

Table 5

The average length of codes for pangrams and nonpangrams.

Number	Pangrams			Nonpangrams
	Baseline	EEA	EEA_D	Baseline	EEA	EEA_D
1	3.08	3.27	2.98	3.04	2.53	2.35
2	3.06	3.35	3.03	3.04	2.56	2.31
3	3.02	2.74	2.54	3.05	2.56	2.35
4	3.02	2.92	2.72	3.04	2.55	2.26
5	3.02	2.86	2.65	3.04	2.56	2.40
Average	3.04	3.03	2.78	3.04	2.55	2.33