subtract 10%iles      0.00000   0.00481236    0.0658326     0.133899
     0.221581     0.350626     0.558205     0.941916      1.86779
diff 10%iles    -0.433971    -0.184544   -0.0784721   -0.0176728      0.00000
    0.0149572    0.0733403     0.176501     0.425595
stardiff 10%iles   -0.0602418   -0.0214497  -0.00600637      0.00000
  0.000944376   0.00870935    0.0183747    0.0337012    0.0683214
stardiff contour -excluded 0.005   -0.0602418    0.0683214