plot.sae: Plot method for objects of class sae.

Description

This function calls coefplot from package arm to plot small area estimates and standard errors. Multiple sets of estimates can be compared using this plot. The default ordering of the estimates is by their area population sizes.

Usage

# S3 method for sae
plot (..., sort.by = NULL,
    decreasing = FALSE, index = NULL, maxrows = 50,
    maxcols = 6, labels = NULL, type = "sae",
    ylab = if (type == "coef") "coef" else "area",
    main = switch(type, coef = "coefficients", raneff = "random effects", "SAE estimates"),
    offset = 0.2, cex.var = 0.9, mar = c(0, 1, 5, 0),
    CI = 1)

Arguments

...

list of sae objects (or lists with at least a component "est" (and optionally "mse")). Other components not matching other arguments are passed to the lower-level plotting functions.

sort.by

vector by which to sort the vectors to be plotted; defaults to population size vector of the first sae object.

decreasing

if TRUE, sort in decreasing order (default).

index

vector of indices of the selected areas to be plotted.

maxrows

maximum number of rows in a column.

maxcols

maximum number of columns of estimates on a page.

labels

optional vector of lables; default is the vector of area names of the first sae object.

type

"sae" for small area estimates (default), "coef" for coefficients, "raneff" for random effects.

ylab

label for y-axis.

main

main title.

offset

space used between plots of multiple estimates for the same area.

cex.var

the fontsize of the variable names, default=0.9.

mar

a numerical vector of the form c(bottom, left, top, right) which gives the number of lines of margin to be specified on the four sides of the plot. The default is c(0,1,5,0).

confidence interval, default is 1, which will plot plus and minus 1 standard errors. If CI=2, plots plus and minus 2 standard errors instead.