The command plot(trace(lg)), where lg is an object of class lgcpPredict will plot the
mcmc traces of a subset of the cells, provided they have been stored, see mcmpars.
# S3 method for mcmcdiag
plot(x, idx = 1:dim(x$trace)[2], ...)an object of class mcmcdiag
vector of chain indices to plot, default plots all chains
additional arguments passed to plot
plots the saved MCMC chains