plotHistory {BRugs} | R Documentation

## Trace of a scalar variable

### Description

This function returns and plots a complete trace for a scalar variable.

### Usage

    plotHistory(node, plot = TRUE,
        colour = c("red", "blue", "green", "yellow", "black"),
        main = NULL, xlab = "iteration", ylab = "", ...)

### Arguments

`node` | Character, name of a scalar variable in the model.
`plot` | Logical, whether to plot the trace or only return the values. If `TRUE`, values are returned invisibly.
`colour` | Colours used to represent different chains.
`main, xlab, ylab` | graphical parameters, see `plot.default`
`...` | Further graphical parameters as in `par`.

### Details

Acts on a scalar variable. See the wrapper function `samplesHistory` for more details.

### Value

A matrix containing samples of `node`, each row corresponds to one chain.

### See Also

`samplesHistory`, `BRugs`, `help.WinBUGS`

[Package BRugs version 0.3-2 Index]