iplotC: Interaction plot

In poliscidata: Datasets and Functions Featured in Pollock and Edwards, an R Companion to Essentials of Political Analysis, Second Edition

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")

Example output

poliscidata documentation built on July 8, 2020, 6:23 p.m.