Table 4.

Validation of the QSAR models for A. niger and P. citrinum.

training set	N	R2(fit)	F(fit)	s2(fit)	test set	N	R2(pred)	F(pred)	s2(pred)
	validation for the model of A. niger
a + b	14	0.9410	35.88	0.0023	c	7	0.8692	39.84	0.0207
a + c	14	0.9678	67.68	0.0013	b	7	0.8629	37.75	0.0281
b + c	14	0.9367	33.31	0.0020	a	7	0.9283	77.73	0.019
average	14	0.9485	45.62	0.0019	average	7	0.8868	51.77	0.0226
D	16	0.9509	53.21	0.0016	d	5	0.8770	28.53	0.0252
	validation for the model of P. citrinum
a + b	14	0.9623	57.39	0.0021	c	7	0.9485	110.52	0.0156
a + c	14	0.9600	53.94	0.0021	b	7	0.9334	84.05	0.0188
b + c	14	0.9711	75.54	0.0014	a	7	0.9235	72.43	0.0224
average	14	0.9645	62.29	0.0019	average	7	0.9351	89.00	0.0189
D	16	0.9606	66.97	0.0020	d	5	0.8934	33.53	0.0264