# Perspective Plot for Predictions of Quadrilateral Dissimilarity Model

### Description

Draws a perspective plot of the predictions of a Quadrilateral
Dissimilarity Model fitted with `qdm`

.

### Usage

1 2 3 |

### Arguments

`x` |
object of class 'qdm'. See |

`col` |
the color(s) of the surface facets. Transparent colours are ignored. This is recycled to the (nx-1)(ny-1) facets. |

`zlim` |
Defaults to zlim=c(0,1) since probabilities are plotted. |

`theta, phi` |
angles defining the viewing direction. 'theta' gives the azimuthal direction and 'phi' the colatitude. |

`xlab, ylab, zlab` |
titles for the axes. N.B. These must be character strings; expressions are not accepted. Numbers will be coerced to character strings. |

`...` |
additional graphical parameters (see 'par'). |

### See Also

`qdm`

, `persp`