subtract 10%iles  0.000328541    0.0300102    0.0577717    0.0876613
     0.121886     0.163739     0.219345     0.303700     0.479874
diff 10%iles    -0.189325   -0.0954111   -0.0520649   -0.0228577   0.00155973
    0.0261507    0.0556993    0.0995493     0.195236
stardiff 10%iles   -0.0435922   -0.0221595   -0.0109619  -0.00272438
   0.00447473    0.0116195    0.0196493    0.0303466    0.0504361
stardiff contour -excluded 0.005   -0.0435922    0.0504361