In addition to taking cognisance of Richard Heiberger's reply you
should also learn to distinguish between the concept of "null" and
"zero". They are not at all the same thing.
cheers,
Rolf Turner
On 11/07/12 08:17, ollestrat wrote:
Hello,
I fear its a stupid question,..but here it is:
If I do this simple calculation with the R console, I surprisingly do not
get a zero. Why?
-1.1-0.1+1.2
[1] -2.220446e-16
greetings, Ole
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