[R] precision in operations
MSchwartz at medanalytics.com
Fri Nov 7 14:43:40 CET 2003
On Fri, 2003-11-07 at 04:40, Jason Turner wrote:
> javier garcia - CEBAS wrote:
> > Hi all;
> > could you remind me what is the function to change the precision of the
> > operations done in R? I can't remember nor find it.
> There isn't one. R does all its calculations with system defined
> double-precision or integers (on most platforms where R is used, these
> are both 32 bits). See help(is.single)
> Are you thinking of format(...,digits=n) ? This only affects display
> (i.e. printing).
These are also global settings, options("digits") and options("sicpen"),
which influence the formatting of output (but not internal
representation or precision). The latter is new for R 1.8.0.
See ?options for more information.
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