R: how to rename a dataframe within a for loop?

Question

I have to run an API download function for several countries separately. My variables are strings that I read in from an Excel-list. Each observation is identified by a three letter country identifier(codes[i,1]). Ideally, I would want to do this:

codes = read.xls("data.xlsx")

for(i in 1:50) {
codes[i,1] = Quandl(c(toString(codes[i,2]),toString(codes[i,3]),toString(codes[i,4])), collapse="annual")
}

obviously, codes[i,1] = ... doesn't work. Is there a simple solution to this problem. Performance isn't a major concern. Thanks for your help.

stanekam · Accepted Answer · 2014-03-13 21:19:46Z

2

codes = read.xls("data.xlsx")

for(i in 1:50) {
assign(codes[i,1], Quandl(c(toString(codes[i,2]),toString(codes[i,3]),toString(codes[i,4])), collapse="annual"))
}

Try that.

answered Mar 13, 2014 at 21:19

stanekam

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