27 Jul
2011
27 Jul
'11
18:47
A <- read.table('A.txt', stringsAsFactors=FALSE) B <- read.table('B.removed.txt', stringsAsFactors=FALSE) subset(A, !(V2 %in% B[['V1']])) 2011/7/27 Ricardo Pereira <huahuag@gmail.com>:
Obrigado, Benilton
A <- data.frame((read.csv("A.txt", sep="\t")))
B<- data.frame(read.csv("B.removed.txt"))
for (i in 1:length(A))
i <- match(B, A[,2])
C <- A[-i,]
Ricardo
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