# Caterpillar Plots of opm Model Parameters

### Description

Creates side-by-side plots of equal-tailed credible intervals of `opm`

model parameters. The intervals are displayed as horizontal lines,
with 90% interval using a thicker line width and 95% interval a
thinner one. The posterior median is indicated with a dot.

### Usage

1 2 |

### Arguments

`x` |
an instance of class |

`parm` |
a specification of which parameters are to be plotted,
either a vector of names (" |

`main, xlab` |
useful defaults for the plot title and X-axis label |

`labels` |
labels for each parameter's interval: see |

### Value

A matrix of 2.5%, 5%, 50%, 95%, and 97.5% quantiles for each of the desired parameters, with parameters arranged in columns.

### Examples

1 2 3 4 | ```
## Not run:
caterplot(o, main = NULL, labels = expression(alpha, beta, sigma^2))
## End(Not run)
``` |