[R] How can we compare corresponding values of x and y (first value of x exacly matches with the first value of y)?
Rui Barradas
ruipbarradas at sapo.pt
Fri Aug 17 13:12:44 CEST 2012
Hello,
I've changed the name of the data.frame, df is an R function.
DF$RowId[ DF$x != DF$y ]
Hope this helps,
Rui Barradas
Em 17-08-2012 10:48, Sri krishna Devarayalu Balanagu escreveu:
> df <- data.frame (
> "RowId" = 4:7,
> "x"=c("1_1", "2_2", "3_3", "3_3"),
> "y"=c("1_1", "3_3", "2_2", "3_3")
> )
>
> How can we compare corresponding values of x and y (first value of x exacly matches with the first value of y)?
> If they were not matced exactly how can we get the row id?
> In this case the row ids were 5 and 6.
>
>
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