subtract 10%iles  -0.00218964   0.00794101    0.0172949    0.0277653
    0.0405185    0.0574462    0.0825415     0.126514     0.236468
stardiff 10%iles    -0.153207   -0.0669295   -0.0335351   -0.0136898
   0.00176722    0.0173128    0.0373840    0.0709406     0.156888
stardiff contour -excluded 0.005    -0.153207     0.156888