Table 1.

Classification frequencies for training and testing categories' results.

Parameter	Classification of frequency (%)
	Training	Testing
View of the playing field	97.8	98.34
Flight observation	99.7	96.78
Prospects for a fast-playing surface	95.6	97.56
Aerial view of the slow-playing surface	86.7	89.78
Prospects for a fast-playing medium surface	84.3	86.58
Close-up surface (or view outside of playing)	87.4	85.89
Others	92.6	94.63