x=matrix(c(25,20,55, 20,35,15, 5,20,5),nrow=3)
x
##      [,1] [,2] [,3]
## [1,]   25   20    5
## [2,]   20   35   20
## [3,]   55   15    5
rownames(x)=c("21-40","41-60","Over 60")
x
##         [,1] [,2] [,3]
## 21-40     25   20    5
## 41-60     20   35   20
## Over 60   55   15    5
colnames(x)=c("For","Against","No Opinion")
x
##         For Against No Opinion
## 21-40    25      20          5
## 41-60    20      35         20
## Over 60  55      15          5
barplot(x,beside=TRUE,
        legend.text=TRUE,
        xlab="Voter Outcomes",
        ylab="Age",
        main="Relation Between Age and Support for Higher Min. Wage",
        col=rainbow(3))

plot of chunk unnamed-chunk-1