> x1 <- read.csv("http://commres.net/wiki/_export/code/r/data_structures?codeblock=83", head=T, sep="	")
> x2 <- read.csv("http://commres.net/wiki/_export/code/r/data_structures?codeblock=84", head=T, sep="	")

> x <- rbind(x1,x2)
> x

   Subtype Gender Expression
1        A      m      -0.54
2        A      f      -0.80
3        B      f      -1.03
4        C      m      -0.41
5        D      m       3.22
6        D      f       1.02
7        D      f       0.21
8        D      m      -0.04
9        D      m       2.11
10       B      m      -1.21
11       A      f      -0.20