[R] as.numeric rounds up

Henrique Dallazuanna wwwhsd at gmail.com
Fri Feb 1 19:27:00 CET 2008


options(digits=10)

> b

or just

print(b, 10)

On 01/02/2008, Monica Pisica <pisicandru at hotmail.com> wrote:
>
>
> Hi list,
>
> It seems that as.numeric is rounding up my numbers that are in a character format.
>
> Example:
>
> a
> [1] "776554.45" "776985.31" "776076.03" "776092.01" "776151.42" "776276.97"
>
>
> b <- as.numeric(a)
> b
> [1] 776554.4 776985.3 776076.0 776092.0 776151.4 776277.0
>
>
>
> I've tried as.numeric(a,2) and as.numeric(a, digits = 2) but it didn't work, nor  ? as.numeric gave me any clues. How can i transform my character numbers in numeric without loosing the decimal digits?
>
> Thanks,
>
> Monica
>
>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O



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