Formula: dd ~ C * diam^b

Parameters:
    Estimate Std. Error t value Pr(>|t|)   
C  0.0097496  0.0008771   11.12  0.00800 **
b -4.4610833  0.2819465  -15.82  0.00397 **
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 

Residual standard error: 0.2208 on 2 degrees of freedom

Number of iterations to convergence: 5 
Achieved convergence tolerance: 8.662e-06 
  (1 observation deleted due to missingness)