subtract 10%iles  -0.00469208   0.00400782   0.00983334    0.0153985
    0.0214801    0.0291157    0.0402946    0.0605698     0.118912
stardiff 10%iles   -0.0537669   -0.0248373   -0.0133873  -0.00561465
      0.00000   0.00524176    0.0130842    0.0248861    0.0554056
stardiff contour -excluded 0.005   -0.0537669    0.0554055