[R] disabling scientific number format

[Uwe Ligges]

On 16.06.2010 08:59, David Croll wrote:
>
>
> Hello R users,
>
>
> I am a bit puzzled by the fact that
>
> options(digits=22)
>
> x0<- 69880
> y0<- 26185
> x1<- 69600
> y1<- 22937
>
> number<- paste(x0,y0,x1,y1,sep="")
>
> number<- as.numeric(travel)
>
> print(number)
>
> gives number in scientific notation (some precision is wasted by having
> a "e+19" at the tail):
>
> 6.988026185696e+19
>
> but
>
> print(exp(log(number)))
>
> gives the full 20 digits of number (albeit with a certain error due to
> the log() and exp() transformation):
>
> 69880261856959807488
>
>
> How can I set print(number) to the normal notation instead of the
> scientific one, or at least improve the precision of the scientific
> notation?

See argument "scipen" in ?options.

Uwe Ligges

>
>
>
> Kind regards,
>
> David
>
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