R: Utilities for multivariate nodes

extractvar {mc2d} | R Documentation

## Utilities for multivariate nodes

### Description

extractvar extracts one variate from a multivariate node.

addvar adds consistent mcnodes to build a multivariate mcnode .

### Usage

    extractvar(x, which=1)
    addvar(...)

### Arguments

`x` | a multivariates mcnode.
`which` | a vector. which variate(s) should be extracted?
`...` | mcnodes to be gathered in a multivariate mcnode. These mcnodes should be of same type and dimension.

### Details

The outm attribute of the output of addvar will be the one of the first element.

### Value

The new built mcnode.

### See Also

`mcnode` for mcnode objects.

### Examples

    x <- mcdata(0:3, "0", nvariates = 4)
    y <- extractvar(x, c(1, 3))
    y
    addvar(x, y)

[Package mc2d version 0.1-18 Index]