A data frame with 1000 observations on the following 12 variables.
id 
unique id
time1 
observed status at i-th time
time2 
observed status at i-th time
time3 
observed status at i-th time
time4 
observed status at i-th time
time5 
observed status at i-th time
time6 
observed status at i-th time
time7 
observed status at i-th time
time8 
observed status at i-th time
time9 
observed status at i-th time
time10 
observed status at i-th time
time11 
observed status at i-th time