subtract 10%iles -0.000705719   0.00479650   0.00920868    0.0135341
    0.0183086    0.0243125    0.0331783    0.0495920    0.0960808
stardiff 10%iles   -0.0445364   -0.0216264   -0.0120654  -0.00548612
  0.000178435   0.00588886    0.0126457    0.0228128    0.0484443
stardiff contour -excluded 0.005   -0.0445364    0.0484443