Hello,
I am trying to convert a df (given below as d1) into df2 (given below as
res).
I tried using loops for each row. I cannot get it right. Moreover the df
is 250000 x 500 in dimension and I cannot get it to work.
Could anyone help me here please.
Thanks.
Adrian.
d1 <-
structure(list(S1 = c("a1|a2", "b1|b3", "w"), S2 = c("w", "b1",
"c2"), S3 = c("a2", "b3|b4|b1", "c1|c4"), S4 = c("w", "b4", "c4"
), S5 = c("a2/a3", "w", "w")), class = "data.frame", row.names = c("A",
"B", "C"))
res <-
structure(list(S1 = c(1L, 1L, 0L, 1L, 0L, 1L, 0L, 0L, 0L, 0L),
S2 = c(0L, 0L, 0L, 1L, 0L, 0L, 0L, 0L, 1L, 0L), S3 = c(0L,
1L, 0L, 1L, 0L, 1L, 1L, 1L, 0L, 1L), S4 = c(0L, 0L, 0L, 0L,
0L, 0L, 1L, 0L, 0L, 1L), S5 = c(0L, 1L, 1L, 0L, 0L, 0L, 0L,
0L, 0L, 0L)), class = "data.frame", row.names = c("a1", "a2",
"a3", "b1", "b2", "b3", "b4", "c1", "c2", "c4"))
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