[R] Number of digits in paste funciton
Peter Dalgaard
P.Dalgaard at biostat.ku.dk
Wed Jun 18 10:45:04 CEST 2008
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"
--
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c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
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