TABLE 2.

Summary of function fitting results

Function	Pearson correlation				Correlation P value
	SDa	Mean	Minimum	Maximum	Mean	Minimum	Maximum
Exponential	0.012	0.98	0.86	1	2.5 × 10−10	9.7 × 10−27	10−6
Quanta	0.012	0.98	0.86	1	2.5 × 10−10	9.7 × 10−27	10−6
Logarithmic	0.037	0.95	0.74	1	1.6 × 10−7	8.3 × 10−24	1.7 × 10−4
Power	0.034	0.95	0.76	1	8.6 × 10−8	1.2 × 10−23	1.1 × 10−4

^aSD, standard deviation.