   x [1] = 3
 E x [2] = 0.5  [+- 0.5]
 E x     = 1.75  [+- 1.299]
   x [2] ~ 0.5  (NA,NA) @ 95%
   x     ~ 2  (NA,NA) @ 95%
   t @ 1   Ne = 12   burnin = 5
   t @ 15.81   Ne = 1   burnin = 5   [integer] 
       PSRF-80%CI = 2.667       PSRF-RCF = 2


 Ne  >= 1.518    (x)
 min burnin <= 5    (x)
 PSRF-80%CI <= 2.667    (x)
 PSRF-RCF <= 2    (x)
