How can we compare corresponding values of x and y (first value of x exacly matches with the first value of y)?

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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How can we compare corresponding values of x and y (first value of x exacly matches with the first value of y)?

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