Allignol A, Schumacher M, Beyersmann J (2011).“Empirical Transition Matrix of Multi-State Models: The etm Package.”Journal of Statistical Software,38(4), 1–15.doi:10.18637/jss.v038.i04,https://www.jstatsoft.org/v38/i04/.
Corresponding BibTeX entry:
@Article{, title = {Empirical Transition Matrix of Multi-State Models: The {etm} Package}, author = {Arthur Allignol and Martin Schumacher and Jan Beyersmann}, journal = {Journal of Statistical Software}, year = {2011}, volume = {38}, number = {4}, pages = {1--15}, url = {https://www.jstatsoft.org/v38/i04/}, doi = {10.18637/jss.v038.i04}, }