TwalkMove {BayesianTools} | R Documentation |
Wrapper for step function
Description
Wrapper for step function
Usage
TwalkMove(
Npar,
FUN,
x,
Eval,
x2,
Eval2,
at = 6,
aw = 1.5,
pn1 = min(Npar, 4)/Npar,
Ptrav = 0.4918,
Pwalk = 0.4918,
Pblow = 0.0082,
Phop = 0.0082
)
Arguments
Npar |
Number of parameters |
FUN |
Log posterior density |
x |
parameter vector of chain 1 |
Eval |
last evaluation of x |
x2 |
parameter vector of chain 2 |
Eval2 |
last evaluation of x |
at |
"traverse" move proposal parameter. |
aw |
"walk" move proposal parameter. |
pn1 |
Probability determining the number of parameters that are changed. |
Ptrav |
Move probability of "traverse" moves, default to 0.4918 |
Pwalk |
Move probability of "walk" moves, default to 0.4918 |
Pblow |
Move probability of "blow" moves, default to 0.0082 |
Phop |
Move probability of "hop" moves |
References
Christen, J. Andres, and Colin Fox. "A general purpose sampling algorithm for continuous distributions (the t-walk)." Bayesian Analysis 5.2 (2010): 263-281.
[Package BayesianTools version 0.1.8 Index]