Hi,
I am trying to understand under which specific conditions does explicit
coercion produce warnings.
> as.numeric(c(1, F, "b"))
[1] 1 NA NA
Warning message:
NAs introduced by coercion
> as.logical(c(1, F, "b"))
[1] NA FALSE NA
In above examples, as.numeric produces warning but as.logical does not.
What is the reason behind this different behaviour. Ideally as.logical
should also have produced the warning message like as.numeric.
Thanks in advance.
Ramnik
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