A data frame with 1000 observations on the following 12 variables.
idunique id
time1observed status at i-th time
time2observed status at i-th time
time3observed status at i-th time
time4observed status at i-th time
time5observed status at i-th time
time6observed status at i-th time
time7observed status at i-th time
time8observed status at i-th time
time9observed status at i-th time
time10observed status at i-th time
time11observed status at i-th time