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
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