f(x) = offset + A0 * x ^ N0  + A1 * (1 + T0gamma * x) ^ N1

Diamond:

  	offset		=1.1667 ± 0.419
  	A0		=0.015175 ± 0.00103
  	N0		=-1.4851 ± 0.012
  	A1		=13.013 ± 0.349
  	T0gamma		=0.61082 ± 0.0407
  	N1		=-2 ± 0



Triangle:

  	offset		=0.51514 ± 0.0621
  	A0		=0.00456 ± 0.000213
  	N0		=-1.5215 ± 0.0271
  	A1		=26.0079 ± 0.735
  	T0gamma		=0.61741 ± 0.0271
  	N1		=-2 ± 0