[R] round up a number to 10^4

[David Winsemius]

On Nov 1, 2011, at 1:07 PM, Wendy wrote:

> Hi all,
>
> I have a list of numbers, e.g., X = c(60593.23, 71631.17, 75320.1),  
> and want
> to round them  so the output is Y = c(60000, 80000, 80000).

Under what notion of "rounding" would that be the result?

> I tried
> Y<-round(X,-4), but it gives me Y = c(60000, 70000, 80000). Do  
> anybody know
> how to round up a number to 10^4?
>
> Thank you in advance.


-- 
David Winsemius, MD
Heritage Laboratories
West Hartford, CT