Artificial dataset based on Stasny (1987) LFS counts for the 1979 August-September flows.
data("LFS79.0809")A data frame with three columns: y1 and y2 describing
individual job status ( E = "Employed"; U; "Unemployed"; N = "Not in the labor force") in each month,
and a vector of selection probailities probs.
STASNY, E. A. Some Markov-chain models for nonresponse in estimating gross labor force flows. Journal of Official Statistics, v. 3, n. 4, p. 359, 1987.