subtract 10%iles -0.000864506   0.00569439    0.0112090    0.0169224
    0.0236940    0.0329094    0.0473847    0.0748262     0.151134
stardiff 10%iles   -0.0779042   -0.0330963   -0.0169441  -0.00717466
  0.000792774   0.00886223    0.0190705    0.0364569    0.0847864
stardiff contour -excluded 0.005   -0.0779042    0.0847864