subtract 10%iles -0.000472069    0.0244246    0.0485649    0.0753202
     0.107000     0.147117     0.202335     0.288166     0.464935
diff 10%iles    -0.201033    -0.101833   -0.0554686   -0.0246725  0.000544310
    0.0256679    0.0563383     0.102450     0.200953
stardiff 10%iles   -0.0461046   -0.0226004   -0.0109859  -0.00283551
   0.00409234    0.0109333    0.0187058    0.0293116    0.0494850
stardiff contour -excluded 0.005   -0.0461046    0.0494850