Adding data to column dependent on match

merge, r, union

Solution

You're looking for

rbind(df1, df2)

    X   Y
1 aap 500
2 rel  12
3 kop 350
4 lee 100
5 1su  12
6 eeu 350
7 ggu  80
8 ees  50

Problem

I am trying to merge data from one dataframe to another. I suppose this is an easy question for everybody here. But I cant seem to get the right result. So something like. ``` df1 <- data.frame(X=c("aap","rel","kop"), Y=c(500,12,350)) df2 <- data.frame(X=c("lee","1su","eeu","ggu", "ees"), Y=c(100,12,350,80,50)) df3 <- merge(df1, df2) ``` The result should be: ``` df3 <- data.frame(X=c("aap","rel","kop", "lee","1su","eeu","ggu", "ees"), Y=c(500,12,350,100,12,350,80,50) ```

Original source

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