[R] truncation and approximation

Rui Barradas ruipbarradas at sapo.pt
Wed Jul 17 21:31:38 CEST 2013


Hello,

As for truncation, you can write a one line function:

dec_trunc <- function(x, digits = 0) trunc(x * 10^digits)/10^digits


As for approximation, maybe you're looking for ?signif.

Hope this helps,

Rui Barradas

Em 17-07-2013 18:41, Francesco Miranda escreveu:
> What is the function to do the truncation to a certain decimal digit of a number. And the function approximation? 		 	   		
> Thanks.
> Francesco M 		 	   		
> 	[[alternative HTML version deleted]]
>
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