Description Usage Arguments Details Author(s) References See Also Examples

This method provides regression plots and transformation plots for objects of class `"aspect"`

, i.e. solutions of `corAspect`

and `lineals`

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`x` |
Object of class |

`plot.type` |
Type of plot to be produced (details see below): |

`plot.var` |
For |

`xlab` |
Label x-axis. |

`ylab` |
Label y-axis. |

`main` |
Plot title. |

`type` |
Whether points, lines or both should be plotted. |

`...` |
Additional graphical parameters. |

The regression plot (`"regplot"`

) provides two plots. First, the unscaled solution is plotted. A frequency grid for the categories of the first variable (var1; x-axis) and the categories of the second variable (var2; y-axis) is produced.
The regression line is based on the category weighted means of the relative frequencies:
the blue line on the var1 means on the x-axis and the var2 categories on the y-axis,
the red line is based on the var1 categories on the x-axis and the var2 means on the y-axis.
In a second device the scaled solution is plotted. The frequency grid is determined by
the var1 scores (x-axis) and the var2 scores(y-axis). Now, instead of the var1/var2 categories, the var1 scores (blue line y-axis) and the row scores (red line x-axis) are used.

The transformation plot (`"transplot"`

) plots the raw categories against the computed scores.

Jan de Leeuw, Patrick Mair

de Leeuw, J., \& Mair, P. (2007). Aspects of multivariables in R. Preprint available at http://gifi.stat.ucla.edu/aspect.pdf

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