subtract 10%iles -0.000745058   0.00561142    0.0109940    0.0165224
    0.0228429    0.0309634    0.0429521    0.0647964     0.125089
stardiff 10%iles   -0.0694106   -0.0306515   -0.0159761  -0.00661464
   0.00114369   0.00892130    0.0183559    0.0333198    0.0730057
stardiff contour -excluded 0.005   -0.0694106    0.0730057