Dear userR,
With the following results, are they correct or acceptable?
> x <- c(1.4, 1.2, 2.8)
> sum(x)
[1] 5.4
> sum(x) == 5.4
[1] FALSE
> (1.4 + 1.2 + 2.8) - 5.4
[1] -8.881784e-16
> (1.4 + 1.2) - 2.6
[1] -4.440892e-16
> 2.6 - 1.5 - 1.1
[1] 0
> version
_
platform i386-pc-mingw32
arch i386
os mingw32
system i386, mingw32
status
major 2
minor 2.0
year 2005
month 10
day 06
svn rev 35749
language R
What can I do to correct them if they are not correct?
Thanks!
--
C. Joseph Lu
Department of Statistics
National Cheng-Kung University
Tainan, Taiwan, ROC
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