reportSAM(obj, burn = 10000, thin = 5, plot = TRUE, outfile = NULL, ...)thin-th iteration"outfile" and saved to the current work directoryburn=i) samples may have been affected by the inital state and has to be discarded ("burn-in"). Autocorrelation of simulated samples can be reduced by taking every j-th (thin=j) iteration ("thining").
Gelman A, Carlin JB, Stern HS, Dunson DB, Vehtari A, Rubin DB, 2013. Bayesian data analysis. Chapman & Hall/CRC Press.