marginals: Display marginal distributions

Description

Display marginal distributions of several variables, which may be numeric and/or categorical, on one plot.

Usage

marginals(data,
          reorder = TRUE,
          plot.points = FALSE,
          ref = TRUE,
          origin = 0,
          levels.fos = NULL,
          xlab = NULL, ylab = NULL,
          cex = 0.5,
          ...,
          subset = TRUE,
          as.table = TRUE,
          subscripts = TRUE,
          default.scales = list(
            x = list(relation="free", abbreviate=TRUE,
                     rot=60, cex=0.5, tick.number=3),
            y = list(relation="free", draw=FALSE)))

Arguments

data

a data frame.

reorder

whether to reorder factor variables by frequency.

subset

data subset expression, evaluated with data.

plot.points, ref

passed to panel.densityplot.

origin, levels.fos

passed to panel.dotplot.

xlab, ylab, cex, as.table, subscripts, default.scales

see xyplot.

...

passed to panel.densityplot and panel.dotplot.

Value

a trellis object.

Details

In the case of mixed numeric and categorical variables, the trellis objects from dotplot() and densityplot are merged.

Examples

Run this code

enviro <- environmental
## make an ordered factor (so it will not be reordered)
enviro$smell <- cut(enviro$ozone, breaks=c(0,30,50,Inf),
    labels=c("ok","hmmm","yuck"), ordered=TRUE)
marginals(enviro)