Quantitative Tools for Examining the Vocalizations of Juvenile Songbirds

Table 2

Summary of sample set sizes used to build and test models.

	Bird 1	Bird 2	Bird 3
Total samples	466	569	991
Manually classified as song	166	150	500
Manually classified as calls	300	419	491
Used as song training data	50	100	150
Used as call training data	100	150	150
Used as song testing data	116	50	350
Used as call testing data	200	269	341
Average sample length, song	4.5 seconds	1.1 seconds	0.4 seconds
Average sample length, call	1.8 seconds	1.1 seconds	0.8 seconds