[R] A plot of factor data?

From: Sang Chul Choi <Choi_at_biology.rutgers.edu>
Date: Thu, 01 May 2008 19:08:34 -0400


Hi,

I am wondering if there is a way to plot proportions of factors. I tried to find plot functions for those but in vain.

For example, I have a data like this where column "a" has 10 of "0"s and 15 of "1"s, and column "b" has 5 and 20.

> x <-

data
.frame
("a"=factor(c(rep(0,10),rep(1,15))),b=factor(c(rep(0,5),rep(1,20))))
> summary(x)

  a b
  0:10 0: 5
  1:15 1:20

I want to have a plot like:

|-----|
|     |     <--- proportion of "0"
|     |
|-----|
|     |
|     |     <--- proportion of "1"
|     |
|-----|

column "a"

|-----|
|     |     <--- proportion of "0"
|-----|
|     |
|     |
|     |     <--- proportion of "1"
|     |
|-----|

column "b"

Is there anybody who can do this easily? I appreciate any help.

Thank you,

Sang Chul



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