Table 2.

The values of particular statistical indicators calculated for both models: S and A

Indicator	Concentration observed	Model S	Model A
FB	-	−1.57	−1.02
MG	-	0.19	0.46
NMSE	-	35.08	7.35
VG	-	186.36	36.04
R	-	0.539	0.674
FAC2	-	0.081	0.224
NAD	-	0.811	0.656
Mean	0,42	4.44	1.54
σ—standard deviation	0,76	9.88	2.56
maximum	4,31	78.75	19.17
FBFN	-	0.025	0.144
FBFP	-	1.598	1.168
MOEFN	-	0.974	0.847
MOEFP	-	0.093	0.232
IOA		−7.54	−2.04
COE		−0.88	−0.67