Re: [R] Number of digits in paste funciton

From: Peter Dalgaard <P.Dalgaard_at_biostat.ku.dk>
Date: Wed, 18 Jun 2008 10:45:04 +0200

Tine wrote:
> Hi!
>
> Does anyone know hot to set number of digits to be printed in function
> 'paste'?
>
Basically, you can't, because as.character always uses 15 digits (chopping trailing zeros).

Instead, use round(), format(), formatC(), etc. Or sprintf()

> paste(format(pi,digits=4),format(exp(1),digits=6), sep="+")
[1] "3.142+2.71828"
> sprintf(fmt="%.4f+%.6f",pi,exp(1))

[1] "3.1416+2.718282"

-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark      Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard_at_biostat.ku.dk)              FAX: (+45) 35327907

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Received on Wed 18 Jun 2008 - 10:15:23 GMT

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