list(t = c(1,2,3,4,5,6,7,8,10,11,12,13,15,16,17,22,23,35),
     obs.t = c(1,1,2,2,3,4,4,5,5,8,8,8,8,11,11,12,12,15,17,22,23,
               6,6,6,6,7,9,10,10,11,13,16,17,19,20,22,23,25,32,32,34,35),
     group = c(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,
               19,18,8,1,20,6,2,10,3,14,4,11,7,9,12,16,17,5,13,15,21),
      fail = c(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
               1,1,1,0,1,0,1,0,0,1,1,0,0,0,1,1,0,0,0,0,0),
         Z = c(-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,
               -0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,
                0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,
                0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5)
)