   x [1] ~ 1.5  (NA,NA) @ 95%
   x [2] ~ 5.5  (NA,NA) @ 95%
   x     ~ 3.5  (NA,NA) @ 95%
   t @ 1   Ne = 4   burnin = Not Converged!
   t @ 1   Ne = 4   burnin = Not Converged!
   t @ 4.111   Ne = 1   burnin = Not Converged!   [integer] 
       PSRF-80%CI = 1.805       PSRF-RCF = 2


 Ne  >= 1.946    (x)
 min burnin <= Not Converged!    (x)
 PSRF-80%CI <= 1.805    (x)
 PSRF-RCF <= 2    (x)
