[Rd] Different result with different order of binding (PR#12742)

[Peter Dalgaard]

kyunseop.bae at gmail.com wrote:
> Full_Name: Kyun-Seop Bae
> Version: 2.7.2
> OS: MS-Windows XP SP2
> Submission from: (NULL) (148.168.40.4)
>
>   
FAQ 7.31, not a bug!

> # Script that I used
>
> rm(list=objects())
> objects()
>
> WT <- 91
> AGE <- 41
> SCR <- 1.3
>
> CCL1 <- (140-AGE) * WT / (72 * SCR)
> CCL2 <- (140-AGE) * WT / 72 / SCR
>
> CCL1
> CCL2
>
> identical(CCL1, CCL2)
> identical(CCL1, 96.25)
> identical(CCL2, 96.25)
>
> CCL1*10 + 0.5
> CCL2*10 + 0.5
>
> floor(CCL1*10 + 0.5)
> floor(CCL2*10 + 0.5)
>
> as.integer(CCL1*10 + 0.5)
> as.integer(CCL2*10 + 0.5)
>
>
> # Same with multiplied WT
> # Same in S-Plus Enterprise Developer Version 7.0.6 for Microsoft Windows :
> 2005
> # But these are accurate in MS-Excel.
>
>   
Excel is not th gold standard for scientific computing!!
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>   


-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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