This is a small heads up for package maintainers. Under the more recent
R-devel, R CMD
check turned up some changes in the *.out files. The simple demonstration is
to type
"round(51/80, 3)", which gives .638 under the old and .637 under the new.
(One of my
coxph test cases has a concordance of exactly 51/80).
In this particular case 51/80 is exactly .63750000, but that value does not
have an exact
representation in base 2. The line below would argue that the new version is
correct, at
least with respect to the internal representation.
> print(51/80, digits = 20)
[1] 0.63749999999999995559
This is not a bug or problem, it just means that whichever version I put into
my
survival/tests/book6.Rout.save file, one of R-devel or R-current will flag an
issue.
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