subtract 10%iles  0.000102043   0.00544691   0.00988483    0.0143218
    0.0193496    0.0258241    0.0353394    0.0521908    0.0974979
diff 10%iles   -0.0398960   -0.0203876   -0.0115886  -0.00536799  3.62396e-05
   0.00543785    0.0116673    0.0204964    0.0400543
stardiff 10%iles   -0.0231283   -0.0128216  -0.00724800  -0.00301319
  0.000767599   0.00454493   0.00878028    0.0144139    0.0250954
stardiff contour -excluded 0.005   -0.0231283    0.0250954