subtract 10%iles -0.000446081   0.00470161   0.00894928    0.0131943
    0.0179391    0.0239391    0.0327253    0.0488281    0.0954857
stardiff 10%iles   -0.0495708   -0.0232207   -0.0127359  -0.00575038
  0.000162927   0.00606534    0.0130475    0.0236094    0.0504383
stardiff contour -excluded 0.005   -0.0495708    0.0504383