node  mean  sd  MC error 2.5%  median  97.5% start sample
  alpha0  106.6 3.655 0.04103 99.44 106.5 113.8 1001  10000

   node  mean  sd  MC error 2.5%  median  97.5% start sample
  beta.c  6.185 0.1061  0.001313  5.975 6.185 6.395 1001  10000