[R] combine two data-frames into one

[John Kane]

library(reshape) 
?rbind.fill


--- Suyan Tian <stian at mail.rockefeller.edu> wrote:

> Hi Everyone:
> 
> I need some help on combining two datasets into one.
>  Since for those  
> two datasets, there are different variables. Like
> 
> In dataset 1, I have
> 
> pt  x1 x2
> 1  12  24
> 2   20 17
> 
> In dataset 2, I have
> pt  x2   x3
> 3   19  33
> 4   20  16
> 
> The final dataset I want should look as
> pt  x1 x2 x3
> 1   12 24 NA
> 2   20 17 NA
> 3   NA 19 33
> 4  NA  20 16
> 
> I used setdiff and rbind together and got what I
> wanted, but I am  
> thinking there must be a simpler way to do this.
> Maybe just one  
> command or something. Please help me out.
> 
> Thanks so many,
> 
> Suyan
> 
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