struc_sieve: Core-generating Function for Sieve Plots

In vcd: Visualizing Categorical Data

Core-generating Function for Sieve Plots

Description

Core-generating function for strucplot returning a function producing sieve plots.

Usage

struc_sieve(sievetype = c("observed","expected"), gp_tile = gpar(),
scale = 1)

Arguments

sievetype	logical indicating whether rectangles should be filled according to observed or expected frequencies.
gp_tile	object of class "gpar", controlling the appearance of all static elements of the cells (e.g., border and fill color).
scale	Scaling factor for the sieve.

Details

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

Value

A function with arguments:

residuals	table of residuals.
observed	table of observed values.
expected	not used by struc_sieve.
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 [e-mail]

References

Riedwyl, H., and Schüpbach, M. (1994), Parquet diagram to plot contingency tables. In F. Faulbaum (ed.), Softstat '93: Advances in Statistical Software, 293–299. Gustav Fischer, New York.

Friendly, M. (2000), Visualizing Categorical Data, SAS Institute, Cary, NC.

Meyer, D., Zeileis, A., and Hornik, K. (2006), The strucplot framework: Visualizing multi-way contingency tables with vcd. Journal of Statistical Software, 17(3), 1-48. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.18637/jss.v017.i03")} and available as vignette("strucplot").

See Also

sieve, strucplot, structable

Examples

## Titanic data
data("Titanic")
strucplot(Titanic, core = struc_sieve)

vcd documentation built on Sept. 17, 2024, 1:08 a.m.