subtract 10%iles      0.00000   0.00533390    0.0636396     0.135280
     0.226974     0.356963     0.579565     0.994605      1.91500
diff 10%iles    -0.418952    -0.171400   -0.0710020   -0.0154688      0.00000
    0.0156180    0.0721922     0.174144     0.422711
stardiff 10%iles   -0.0645802   -0.0228489  -0.00677153      0.00000
  0.000980318   0.00978802    0.0212024    0.0396837    0.0823545
stardiff contour -excluded 0.005   -0.0645802    0.0823544