Statistical output

Models

Log-linear

Linear

Log-log linear

Quadratic

Log(ann.) v noise

Ann. v noise

Log(ann.) v log(noise)

Ann. v noise2

Correlation coeff. “r”

0.6121

0.5781

0.5879

0.6034

Coeff. of determination “R2

0.3747

0.3343

0.3457

0.3641

P-value

7.30E−200

1.86E−173

9.94E−181

9.19E−193

t-value

34.08

31.195

31.997

33.311

Standard error

0.002

0.005

0.103

0.000