This function can be used to assess
convergence by visualizing the
autocorrelations between the draws of the
rho_k is the correlation between every draw
kth lag. We would expect the
kth lag autocorrelation to be
k increases (that is, the
100th and 1000th draws should be less
correlated than the 100th and 105th draws).
For higher values of k we anticipate small
autocorrelation values, otherwise the chain
mixing well (in other words we do not
explore the parameter space adequately).
For examples see
Open a new window for the plot.
The maximum lag value to consider. Default is 100.
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