struc_mosaic {vcd} | R Documentation

## Core-generating Function for Mosaic Plots

### Description

Core-generating function for `strucplot` returning a function producing mosaic plots.

### Usage

    struc_mosaic(zero_size = 0.5)

### Arguments

`zero_size` | size of the bullets used for zero-entries in the contingency table (if 0, no bullets are drawn).

### Details

This function is usually called by `strucplot` (typically when called by `mosaic`) and returns a function used by `strucplot` to produce mosaic plots.

### Value

A function with arguments:

`residuals` | table of residuals.
`observed` | table of observed values.
`expected` | not used by `struc_mosaic`.
`spacing` | object of class `"unit"` specifying the space between the tiles.
`gp` | list of `gpar` objects used for the drawing the tiles.
`split_vertical` | vector of logicals indicating, for each dimension of the table, the split direction.

### Author(s)

David Meyer David.Meyer@R-project.org

### References

Cohen, A. (1980), On the graphical display of the significant components in a two-way contingency table. Communications in Statistics—Theory and Methods, A9, 1025–1041.

Friendly, M. (1992), Graphical methods for categorical data. SAS User Group International Conference Proceedings, 17, 190–200. http://www.math.yorku.ca/SCS/sugi/sugi17-paper.html

### See Also

`mosaic`, `strucplot`, `structable`

[Package vcd version 0.9-6 Index]