Is this correct?
See the R FAQ list, section 7. Why doesn't R think these numbers are equal? Ted. On 11/10/05 15:42, Joe wrote,:
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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