subtract 10%iles  0.000726223   0.00603390    0.0105202    0.0150509
    0.0202518    0.0270414    0.0371723    0.0550079    0.0996056
diff 10%iles   -0.0394683   -0.0202157   -0.0114856  -0.00529575  8.58307e-05
   0.00546026    0.0116537    0.0203807    0.0395718
stardiff 10%iles   -0.0229402   -0.0127340  -0.00718930  -0.00295962
  0.000814734   0.00459314   0.00882627    0.0144280    0.0249264
stardiff contour -excluded 0.005   -0.0229402    0.0249264