sims {rv}R Documentation

Retrieve the Simulations of Random Vectors

Description

Returns the simulation matrix for the random variable object x.

Usage

 sims(x, ...)
 ## Default S3 method:
 sims(x, ...)
 ## S3 method for class 'rv':
 sims(x, dimensions=FALSE, n.sims=getnsims(), ...)
 ## S3 method for class 'rvsummary':
 sims(x, dimensions=FALSE, ...)

Arguments

x a random variable object
n.sims (optional) number of simulations
dimensions logical, try to preserve the dimensions of x
... arguments passed on

Details

sims returns the matrix of simulations for a given random variable object x.

The first index of the matrix indicates the number of the simulation draw (``simulations are in rows").

Author(s)

Jouni Kerman jouni@kerman.com

References

Kerman, J. and Gelman, A. (2007). Manipulating and Summarizing Posterior Simulations Using Random Variable Objects. Statistics and Computing 17:3, 235-244.

See also vignette("rv").

Examples

  setnsims(n.sims=2500)
  x <- rvnorm(24)
  dim(x) <- c(2,3,4)
  dim(sims(x))                  # 2500x24
  dim(sims(x, dimensions=TRUE)) # 2500x2x3x4

[Package rv version 1.0 Index]