pi.ctplot	pi.ctplot
pi.occurve	pi.occurve
pi.pp	pi.pp
PPQ.ctplot	PPQ.ctplot
PPQ.ggplot	PPQ.ggplot
PPQ.occurve	PPQ.occurve
PPQ.pp	PPQ.pp
rl.pp	rl.pp
ti.ctplot	ti.ctplot
ti.occurve	ti.occurve
ti.pp	ti.pp
