Proposal for jumps between functional forms

Generate proposed values for relevant model parameters

proposal_ff(
  p.alpha = 10,
  p.psi.i = 0.25,
  p.omega = 1,
  p.phi = 2,
  p.sigma = 2,
  p.mu.i = 10
)

Arguments

rj.obj	Input list.
from.phase	Jump from monophasic to biphasic (1) or from biphasic to monophasic (2).
prop.scale	SD used to generate proposed values for alpha, omega and psi.i.