var[i]

x1 <- 1:3
x2 <- 4:6
x3 <- 7:9
xn <- paste("x", 1:3, sep="")
m <- numeric(3)
for(i in 1:3) m[i] <- mean(get(xn[i]))
m

-----Original Message-----
From: juli g. pausas [mailto:juli at ceam.es]
Sent: Thursday, May 01, 2003 1:03 PM
To: r-help
Subject: [R] var[i]


Dear all,
How could I use variables in a loop that their names are in a vector? 
For example:

aaa <- 1:10
bbb <- aaa*2
ccc <- aaa+bbb

varn <- c("aaa", "bbb", "ccc")
m <- rep(NA, 3)

for (i in 1:length(varn)) m[i] <- mean(varn[i])  # wrong


thanks in advance

Juli



--
"Wars do not solve problems, wars generate even more problems"