[R] match rows of data frame

From: Alfonso Sammassimo <cincinattikid_at_bigpond.com>
Date: Fri, 08 Jun 2007 10:42:08 +1000

Hi R-experts,

I have a data frame (A) , and a subset (B) of this data frame. I am trying to create a new data frame which gives me all the rows of B, plus the 5th next row(occuring in A). I have used the below code, but it gives me all 5 rows after the matching row. I only want the 5th.

FiveDaysLater <- A[c(sapply(match(rownames(B),rownames(A)), seq, length=6))),]

Any guidance much appreciated,

Alfonso Sammassimo
Melbourne, Australia.

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