[R] (no subject)

[Tanvir Khan]

Hello,
I'm trying to do bar plot where 'sex' will be the category axis and
'occupation' will represent the bars and the clusters will represent
the mean 'income'.

   sex     occupation   income
1  female          j             12
2    male          b            34
3    male          j             22
4  female          j            54
5    male          b           33
6  female          b           67
7    male          j            89
8    male          b          65
9  female          j          45
10   male          j          32

I can do bar plot where sex is the category axis and the clusters
represent 'occupation'.
the code is-

> t<- table(data$sex,data$occupation)
> barplot(f)

and the barplot where the category axis is 'sex' and the cluster
represent the mean income and median income. The code is -
> mean=tapply(data$income,data$sex,mean)
> mean
  female     male
38.66667 46.50000
> median=tapply(data$income,data$sex,median)
> median
female   male
  22.5   49.5
> r=rbind(mean,median)
> r
               female     male
mean    38.66667     46.5
median 22.50000    49.5
> par(fg='red',cex=1.2)
> barplot(r,col=c('green','yellow'),cex.axis=1.2,col.axis='red',ylim=c(0,120)

But how can I make 'occupation'' to nest inside 'sex' and then the
cluster to represent the mean income?
For example I am attaching a pdf plot that is produced by SPSS.

Thank you.


-- 
Tanvir Khan
MS Student
Institute Of Statistical Research & Training
University Of Dhaka
tkhan1 at isrt.ac.bd
khan.tanvir_007 at ymail.com
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