[R] Problem with products in R ?

[peter dalgaard]

On 04 May 2014, at 14:44 , ARTENTOR Diego Tentor <diegotentor71 at gmail.com> wrote:

> Trying algorithm for products with large numbers i encountered a difference
> between result of 168988580159 * 36662978 in my algorithm and r product.
> The Microsoft calculator confirm my number.
> 

>  168988580159 * 36662978 
[1] 6.195625e+18

That value exceeds the relative precision of floating point numbers (approx 1e-16), so the last few digits are likely to differ from an exact calculation. The "gmp" package is there if you need it.


> Thanks.
> 
> 
> 
> 
> -- 
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> 
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Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
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