Dear all,
for each A == 3 in 'df' I would like to change the variables B and K.
My result should be the whole df and not the subset (A==3)...
df <- data.frame(A = c(1,1,3,2,2,3,3),
B = c(2,1,1,2,7,8,7),
K = c("a.1", "d.2", "f.3",
"a.1", "k.4", "f.9", "f.5"))
x1 <- within(df[df$A ==3, ], {
B1 <- 5
K1 <- gsub("f","m", K)
})
x2 <- transform(df[df$A==3, ], B1 = 5, K1 = gsub("f","m", K))
Thanks for any help!
Patrick
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