proposalTuning: Tune the proposal width for betas.
Description
This function adjusts the proposal width for the beta hyperparameter(s) of
the exponential information sharing prior, so that the acceptance rate is
close to 0.25.
Usage
proposalTuning(acceptRate, hyper.proposals)
Arguments
acceptRate
Current acceptance rate.
hyper.proposals
Current proposal width.
Value
Returns the new proposal width.