I was a bit puzzed by:
> formatC(6.65,format="f",digits=1)
[1] "6.6"
So I experimented and found:
> formatC(6.6500000000000001,format="f",digits=1)
[1] "6.6"
> formatC(6.650000000000001,format="f",digits=1)
[1] "6.7"
> round(6.6500000000000001,1)
[1] 6.7
> round(6.650000000000001,1)
[1] 6.7
> version
_
platform i386-pc-mingw32
arch i386
os mingw32
system i386, mingw32
status
major 2
minor 5.0
year 2007
month 04
day 23
svn rev 41293
language R
version.string R version 2.5.0 (2007-04-23)
My machine runs Windows NT.
Is this intended or just a Windows facility?
______________________________________________
Bendix Carstensen
Senior Statistician
Steno Diabetes Center
Niels Steensens Vej 2-4
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Denmark
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