Can anyone explain (perhaps with an example) why the R Language Definitions
(Version 2.15.2, 2012-10-26, DRAFT) says the following in section 3.2.6?
"To choose from a list of alternatives that already exists switch() may not be
the best way to select one for evaluation. It is often better to use eval() and
the subset operator, [[, directly via eval(x[[condition]])."
I can't quite figure out the reasoning behind the recommendation or how to make
good use of it.
Many thanks,
Mauricio
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