plot: 1 panel(s)
  panel 1
    title: Precision
    x: normalized rank
    y: precision
    layer 1: GeomPoint  n=20  groups=4  n_na_y=0
      x: min=0 max=1 mean=0.5 | 0 0.5 0 0.5 1 0.5 1 0.5 1
      y: min=0.5 max=1 mean=0.85 | 1 1 1 1 0.75 0.5 0.75 0.5 0.75
