Probably numerical precision. See FAQ 7.31 which is on your computer.
Enter
system(paste("open",file.path(base::system.file(),
"../../doc/manual/R-FAQ.pdf")))
and the FAQ file will open.
x <- 20
y <- 19.99999999999999
x-y
x == y
> On Apr 07, 2022, at 12:20, Sara Bortot <saraborto...@gmail.com> wrote:
>
> Good evening,
> I was doing some calculations with R when I noticed an error in one of
> the answers.
> I am attaching the screenshot of the page. There you will see that the two
> calculations are written in a different way but they should give the same
> result, because they're equivalent.
> Let me know if it is a solvable problem,
>
> Kind regards
> ______________________________________________
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