Gets the number of parameters of an object.
The default methods returns the length of pars() if none are
NA, otherwise it returns NA.
# S3 method for mcmcarray
npars(x, scalar = NULL, ...)An integer scalar of the number of parameters.
An object.
A logical scalar specifying whether to include all parameters (NULL), only scalars (TRUE) or all parameters except scalars (FALSE).
Other arguments passed to methods.
pars()
Other MCMC dimensions:
nchains(),
niters(),
nsams(),
nsims(),
nterms()
Other parameters:
pars(),
set_pars()