# S3 method for default
npdims(x, ...)# S3 method for mcmc.list
npdims(x, ...)
# S3 method for mcmcr
npdims(x, ...)
pdims(x, ...)
# S3 method for term
pdims(x, ...)
# S3 method for mcarray
pdims(x, ...)
# S3 method for mcmc
pdims(x, ...)
# S3 method for mcmc.list
pdims(x, ...)
# S3 method for mcmcarray
pdims(x, ...)
# S3 method for mcmcr
pdims(x, ...)