Minor issue, but the following changed as of R3.3.2 from:
> a <- function() b()
> a()
Error in a() : could not find function "b"
To (at least in R Under development (unstable) (2016-11-20 r71670)):
Error in b() : could not find function "b"
Notice the "Error in **b**() :" part. The original error message seems more
correct to me, although I can see how you can argue for either one.
Best regards,
B.
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