[R] Subsetting question

[darkgaze]

Hi all,

Suppose I have 

data1
A B
1 a
1 b
2 c
2 d

and

data2
D E F
x y 1
w z 2

and I want

data2
D E F G
x y 1 a,b
w z 3 c,d

I am trying

data2$G=list(data1$B[data1$A==data2$F,])

How do I correct this approach?

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