subtract 10%iles -0.000967979   0.00689888    0.0136425    0.0206690
    0.0287735    0.0392132    0.0545616    0.0820932     0.154526
diff 10%iles   -0.0688725   -0.0330200   -0.0180395  -0.00790787  0.000704765
   0.00931692    0.0194588    0.0346241    0.0712922
stardiff 10%iles   -0.0271237   -0.0148362  -0.00798652  -0.00268693
   0.00204976   0.00674375    0.0119345    0.0186725    0.0312183
stardiff contour -excluded 0.005   -0.0271237    0.0312183