On Feb 25, 2011, at 1:55 AM, Noah Silverman wrote:
How can I dynamically use a variable as the name for another variable?
I realize this sounds cryptic, so an example is best:
#Start with an array of "codes"
codes <- c("a1", "b24", "q99")
Is there some reason not to use list(a1, b24, q99)? If not then:
lapply(codes, somefun)
#Each code has a corresponding matrix (could be vector)
a1 <- matrix(rnorm(100), nrow=10)
b24 <- matrix(rnorm(100), nrow=10)
q99 <- matrix(rnorm(100), nrow=10)
#Now, I want to loop through all the codes and do something with
each matrix
for(code in codes){
#here is where I'm stuck. I don't want the value of code, but the
variable who's name is the value of code
}
Any suggestions?
-N
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