list(p = c(0.4, 0.1, 0.1, 0.4),
error = structure(.Data = c(NA, NA, NA, NA,
0.7, 0.3, NA, NA,
                           0.2, 0.3,0.5, NA,
                           0.1, 0.1, 0.1, 0.7), .Dim = c(4, 4)))