subtract 10%iles -0.000137329   0.00552487    0.0102477    0.0150006
    0.0203743    0.0272708    0.0375357    0.0563526     0.108190
stardiff 10%iles   -0.0597772   -0.0270258   -0.0144836  -0.00637573
  0.000415072   0.00719703    0.0153345    0.0281292    0.0616986
stardiff contour -excluded 0.005   -0.0597772    0.0616985