subtract 10%iles  -0.00353599      0.00000    0.0224932    0.0626054
     0.112784     0.182239     0.288406     0.474622     0.912059
stardiff 10%iles    -0.473078    -0.199237   -0.0852400   -0.0188902
      0.00000    0.0196069    0.0849789     0.197182     0.471020
stardiff contour -excluded 0.005    -0.473078     0.471020