anchors.plot      Demo of plotting with anchors
chopit 		  Demo of parametric model chopit
anchors.freedom   Repl Wand et al (2007) rank analysis of freedom
anchors.freedom6  Repl Wand et al (2007) Fig 1 histo with 6 vign
anchors.freedom3  Repl Wand et al (2007) Fig 2 histo with 3 vign
chopit.freedom    Repl Wand et al (2007) Table 4 (chopit, linear)
anchors.vign2     Repl from King and Wand (2007) Tb 1
anchors.mexchn    Repl from King and Wand (2007) Fig1
combn.say	  Repl from King and Wand (2007) Fig2
combn.sleep	  Repl from King and Wand (2007) Fig3
combn.care	  Repl from King and Wand (2007) Fig4 
chopit.mexchn     Repl King et al (2004) Table 2 (non-linear taus)
anchors.mexchn2   Repl King et al (2004) Figure 2 
unit.cpolr.sim    Unit tests for cpolr(): simulate DGP
