Thanks Gabor. Your suggestions work as well and have been helpful in my
understanding, I can't use any excuse of not knowing about "]" in this
case!
Rob
fil3 = sapply(ls1, function(x) paste(x[1:4], collapse = ""))
fil4 = sapply(unname(as.data.frame(ls1))[1:4,], paste, collapse = "")
fil5 = sapply(as.data.frame(ls1)[1:4,], paste, collapse = "")
What I want to end up with is a vector that is the row-wise concatenation
of
the strings in each row of your matrix or each element of my original
list.
Try this:
sapply(ls1, function(x) paste(x[1:4], collapse = ""))
or this:
sapply(unname(as.data.frame(ls))[1:4,], paste, collapse = "")
If you don't mind ugly names on the result the last one can be shortened
to:
sapply(as.data.frame(ls)[1:4,], paste, collapse = "")
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