subtract 10%iles  -0.00229979    0.0120630    0.0253835    0.0405281
    0.0595837    0.0855370     0.123852     0.187952     0.330856
stardiff 10%iles    -0.201301   -0.0928192   -0.0468331   -0.0194837
   0.00135044    0.0221731    0.0495431    0.0954261     0.203180
stardiff contour -excluded 0.005    -0.201301     0.203180