In the R FAQ's section about comparing S and R, we find the following:
In R, For() loops are not necessary and hence not supported.
What was a For() loop and why does R not need it?
What was a For loop? Why isn't it needed in R?
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1 Answers
There is a copy of S-PLUS: Programmer’s Guide online. Pages 647-648 contrast for and For loops. The S-Plus manual generally discourages using for loops (pp. 120, 639-641) and encourages apply family approaches, but R has optimized for loops to the point that those recommendations are now moot and the "optimized" For loop is no longer necessary.
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