subtract 10%iles      0.00000   0.00951191    0.0561187     0.105110
     0.162240     0.241144     0.366364     0.600127      1.19268
diff 10%iles    -0.314784    -0.124989   -0.0519235   -0.0111527      0.00000
    0.0118876    0.0529900     0.127846     0.322551
stardiff 10%iles   -0.0469650   -0.0158708  -0.00415094      0.00000
   0.00135748   0.00795632    0.0163134    0.0296391    0.0616271
stardiff contour -excluded 0.005   -0.0469650    0.0616270