iplotC {poliscidata}

Interaction plot

Description

Interaction plot uses brkdn.plot in plotrix package and svyby function from survey package. Warnings suppressed so the function creates plot without generating intermediate results used to create plot.

Usage

iplotC(function1 = NULL, function2 = NULL, data, function3 = NULL, ...)

Arguments

function1

A function in the form ~depvar

function2

A function. Here indepvar is typed before controlvar: ~indepvar + controlvar

data

Design dataset (e.g. nesD, gssD, statesD, or worldD)

function3

A function. Here indepvar is typed after controlvar: ~controlvar + indepvar

...

Further arguments to be passed to brkdn.plot function (plotrix package)

Value

No value returned

Examples

   library(poliscidata)
   
   iplotC(function1 = ~ ft_dem, function2 = ~ gender + married, 
          data = nesD, function3 = ft_dem ~ married + gender)
   
   iplotC(~ft_dem, ~gender+married, nesD, ft_dem~married+gender,
          xlab="Gender", ylab="Democratic Party Rating", 
          main="Democratic Party Rating by Gender and Marital Status")