On May 12, 2010, at 5:18 PM, Luis Felipe Parra wrote:
Hello, i have the following list
strsplit(as.character(Elecciones$Municipios),"\\.")
[[1]]
[1] "ANTIOQUIA" "ABEJORRAL"
[[2]]
[1] "META" "ACACIAS"
[[3]]
[1] "CASANARE" "AGUAZUL"
[[4]]
and I would like to make a vector of the first element of each of
the list
items, in this case ANTIOQUIA, META, CASANARE, etc . Do you know how
can I
do this?
> unlist( lapply(ll, "[", 1))
[1] "ANTIOQUIA" "META" "CASANARE"
Thank you
Felipe Parra
David Winsemius, MD
West Hartford, CT
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