?Hi EverybodyI am trying to make?an object with??length(a) * length(b) element?using a double loop. But I am getting the last part only.??A simple script is
a <- c("A-AA", "B-BB", "C-CC")
b??? <- seq(1, 5)
pre <- NULL
post <- NULL
page <- NULLfor(j in 1:length(a)) {
?? for(i in 1:length(b)){
?????? pre[j]? <- strsplit(a[j],"-")[[1]][1]
????????? post[j] <- strsplit(a[j],"-")[[1]][2]
??????????? page[i] <- paste0(pre[j], b[i],post[j])?
}}Peter Maclean
Department of Economics
UDSM