[R] Loop with string variable AND customizable "summary" output

Vladimir Eremeev wl2776 at gmail.com
Mon Jan 29 17:07:22 CET 2007

That is

C.Rosa wrote:
> for (i in c("UK","USA"))
> output{i}<-summary(lm(y{i} ~ x{i}))

for (i in c("UK","USA")) {
  lm.txt<-paste("output",i,"<-","lm(","y",i,"x",i,")",sep="") # 1. produce a
character string containing needed expression
  eval(parse(text=lm.txt))                                                 #
2. parse and evaluate it
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