plot.freq {plotrix}R Documentation

Plot a frequency table

Description

Plots a horizontal bar plot of a "freq" object.

Usage

 plot.freq(x,main=NULL,col=NULL,show.prop=TRUE,show.pc=FALSE,show.labels=FALSE,
  show.axis=FALSE,...)

Arguments

x a frequency table produced by freq
main main title of the plot
col vector of colors to use as fills for the bars - defaults to 1:nbars+1.
show.prop whether to display the proportions or percentages on each bar
show.pc whether to display percentages instead of proportions
show.labels whether to display the value labels on each bar
show.axis whether to display a horizontal axis below the bars
... additional arguments passed to plot.

Details

plot.freq will accept a list of frequencies produced by freq and display a horizontal barplot in which each horizontal stack of bars represents one component of the list. The length of each bar is proportional to the frequency of that value in the list.

Value

nil

Author(s)

Jim Lemon

See Also

freq

Examples

 testdat.df<-data.frame(Sex=sample(c("Male","Female"),142,TRUE),
  Marital=sample(c("Divorced","Married","Single","De facto","Widowed"),142,TRUE),
  SES=c(sample(c("Low","Middle","High"),130,TRUE),rep(NA,12)),
  Age=sample(c("0-20","21-40","41-60","61-80","over 80"),142,TRUE))
 testdat.freq<-freq(testdat.df)
 plot.freq(testdat.freq,show.labels=TRUE,show.axis=TRUE)

[Package plotrix version 2.0.2 Index]