subtract 10%iles  -0.00218439   0.00760031    0.0165286    0.0264616
    0.0385299    0.0546303    0.0786915     0.121222     0.228088
stardiff 10%iles    -0.148486   -0.0637000   -0.0317230   -0.0129645
   0.00161186    0.0162437    0.0351193    0.0668547     0.149331
stardiff contour -excluded 0.005    -0.148486     0.149331