Submitted on: 27 August 2008.
Revised on: 06 November 2008.
Accepted on: 22 December 2008.
___________________Journal of Statistical Software
Submitted on: 01 September 2021.
Revised on: 28 November 2021.
Accepted on: 24 December 2021.
___________________Journal of Statistical Software
Submitted on: 15 July 2008.
Revised on: 06 October 2008.
Accepted on: 14 November 2008.
___________________Journal of Statistical Software
Submitted on: 05 December 2012.
Revised on: 07 March 2013.
Accepted on: 20 April 2013.
___________________Journal of Statistical Software
Submitted on: 03 September 2003.
Revised on: 10 October 2003.
Accepted on: 21 November 2003.
___________________Journal of Statistical Software
Submitted on: 29 October 1998.
Revised on: 21 December 1998.
Accepted on: 09 February 1999.
___________________Journal of Statistical Software