Table 2.

Results of Two Neural Network Models: Effects of Temperature on Salmonella

Results	GRNN	GMDH
R2	0.567	0.582
r2	0.573	0.582
Mean squared error	1745	1688
Mean absolute error	32.82	31.62
Min. absolute error	0.085	0.0383
Max. absolute error	109	108
Correlation coefficient r	0.757	0.763

GRNN, General Regression Neural Network; GMDH, Group Method of Data Handling, Polynomial Net.