Calculate the effective sample size, per chain and in total, of draws from an MCMC algorithm
sess(mhDraws, ...)
Data.frame with 1 Row and (# Chains + 1) Columns. Each entry gives the estimated ESS for the chain or sum of chains.
List of data.frames. Each data.frame represents a single chain. Data.frame columns for which ESS is calculated should be named val.1, ..., val.k
Catches unnecessary additional arguments