- autoburnin
 
logical, to use in gelman.diag
    (default is TRUE).
  
- diag
 
critical value to use for data cloning convergence
    diagnostics, default is 0.05.
  
- LB
 
logical, should load balancing be used,
    default is FALSE.
  
- overwrite
 
logical, should existing model file be overwritten,
    default is TRUE.
  
- rhat
 
critical value for testing chain convergence,
    default is 1.1.
  
- RNG
 
parallel RNG type, either
    "none" (default), or "RNGstream",
    see clusterSetRNGStream.
  
- verbose
 
integer, should output be verbose (>0) or not (0),
    default is 1.