[0] http://www.stat.pitt.edu/stoffer/tsa3/R_toot.htm
[1] http://www.stat.pitt.edu/stoffer/tsa3/
[2] http://www.stat.pitt.edu/stoffer/tsa3/tsa3EZ.pdf
[0] http://www.stat.pitt.edu/stoffer/tsa3/R_toot.htm
[1] http://www.stat.pitt.edu/stoffer/tsa3/
[2] http://www.stat.pitt.edu/stoffer/tsa3/tsa3EZ.pdf