post_subset | R Documentation |
Subsets a smaller portion from a mcmc.list
object
corresponding only to the node(s) requested.
post_subset( post, params, matrix = FALSE, iters = FALSE, chains = FALSE, auto_escape = TRUE )
post |
A |
params |
A vector of regular expressions specifying the nodes to match for subsetting.
Accepts multi-element vectors to match more than one node at a time.
See |
matrix |
Return samples in |
iters |
Retain the iteration number of each sample if |
chains |
Retain the chain number of each sample if |
auto_escape |
Automatically escape |
A mcmc.list
or matrix
object, depending on the
value of the matrix
argument. Object contains all nodes that match the params
argument;
an error will be returned if no matches are found.
match_params()
# load example mcmc.list data(cjs) # create mcmc.list with all nodes that contain "B0" x1 = post_subset(cjs, "B0") # create mcmc.list with all nodes that contain "b" or "B" x2 = post_subset(cjs, c("b", "B")) # perform the subset and return a matrix as output, while retaining the chain ID x3 = post_subset(cjs, "B0", matrix = TRUE, chain = TRUE)
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